Home / 93,996.04-129,711.36-55,778.28

Finding the Fourth Proportional to 93,996.04, 129,711.36 and 55,778.28

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Solution

The fourth proportional to 93,996.04, 129,711.36 and 55,778.28 is: 76,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,996.04 : 129,711.36 = 55,778.28 : x
  2. Step 2: Convert to fraction form
    93,996.04/129,711.36 = 55,778.28/x
  3. Step 3: Cross multiply
    93,996.04x = 129,711.36 × 55,778.28
  4. Step 4: Simplify right side
    93,996.04x = 7,235,076,557.26
  5. Step 5: Solve for x
    x = 7,235,076,557.26/93,996.04
  6. Step 6: Final answer
    x = 76,972.14

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.