Home / 93,740.04-129,341.25-55,511.60

Finding the Fourth Proportional to 93,740.04, 129,341.25 and 55,511.60

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Solution

The fourth proportional to 93,740.04, 129,341.25 and 55,511.60 is: 76,594.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,740.04 : 129,341.25 = 55,511.60 : x
  2. Step 2: Convert to fraction form
    93,740.04/129,341.25 = 55,511.60/x
  3. Step 3: Cross multiply
    93,740.04x = 129,341.25 × 55,511.60
  4. Step 4: Simplify right side
    93,740.04x = 7,179,939,086.79
  5. Step 5: Solve for x
    x = 7,179,939,086.79/93,740.04
  6. Step 6: Final answer
    x = 76,594.15

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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.