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Finding the Fourth Proportional to 93,574.67, 129,096.42 and 57,702.40

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Solution

The fourth proportional to 93,574.67, 129,096.42 and 57,702.40 is: 79,606.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,574.67 : 129,096.42 = 57,702.40 : x
  2. Step 2: Convert to fraction form
    93,574.67/129,096.42 = 57,702.40/x
  3. Step 3: Cross multiply
    93,574.67x = 129,096.42 × 57,702.40
  4. Step 4: Simplify right side
    93,574.67x = 7,449,173,265.41
  5. Step 5: Solve for x
    x = 7,449,173,265.41/93,574.67
  6. Step 6: Final answer
    x = 79,606.73

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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.