Home / 93,818.04-129,636.78-75,109.56

Finding the Fourth Proportional to 93,818.04, 129,636.78 and 75,109.56

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Solution

The fourth proportional to 93,818.04, 129,636.78 and 75,109.56 is: 103,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,818.04 : 129,636.78 = 75,109.56 : x
  2. Step 2: Convert to fraction form
    93,818.04/129,636.78 = 75,109.56/x
  3. Step 3: Cross multiply
    93,818.04x = 129,636.78 × 75,109.56
  4. Step 4: Simplify right side
    93,818.04x = 9,736,961,505.62
  5. Step 5: Solve for x
    x = 9,736,961,505.62/93,818.04
  6. Step 6: Final answer
    x = 103,785.60

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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.