Home / 93,589.41-129,155.13-51,147.03

Finding the Fourth Proportional to 93,589.41, 129,155.13 and 51,147.03

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Solution

The fourth proportional to 93,589.41, 129,155.13 and 51,147.03 is: 70,583.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,589.41 : 129,155.13 = 51,147.03 : x
  2. Step 2: Convert to fraction form
    93,589.41/129,155.13 = 51,147.03/x
  3. Step 3: Cross multiply
    93,589.41x = 129,155.13 × 51,147.03
  4. Step 4: Simplify right side
    93,589.41x = 6,605,901,308.76
  5. Step 5: Solve for x
    x = 6,605,901,308.76/93,589.41
  6. Step 6: Final answer
    x = 70,583.85

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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.