Home / 93,785.62-129,436.47-53,490.15

Finding the Fourth Proportional to 93,785.62, 129,436.47 and 53,490.15

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Solution

The fourth proportional to 93,785.62, 129,436.47 and 53,490.15 is: 73,823.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,785.62 : 129,436.47 = 53,490.15 : x
  2. Step 2: Convert to fraction form
    93,785.62/129,436.47 = 53,490.15/x
  3. Step 3: Cross multiply
    93,785.62x = 129,436.47 × 53,490.15
  4. Step 4: Simplify right side
    93,785.62x = 6,923,576,195.77
  5. Step 5: Solve for x
    x = 6,923,576,195.77/93,785.62
  6. Step 6: Final answer
    x = 73,823.43

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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.