Home / 70,382.55-97,124.16-38,545.30

Finding the Fourth Proportional to 70,382.55, 97,124.16 and 38,545.30

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Solution

The fourth proportional to 70,382.55, 97,124.16 and 38,545.30 is: 53,190.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,382.55 : 97,124.16 = 38,545.30 : x
  2. Step 2: Convert to fraction form
    70,382.55/97,124.16 = 38,545.30/x
  3. Step 3: Cross multiply
    70,382.55x = 97,124.16 × 38,545.30
  4. Step 4: Simplify right side
    70,382.55x = 3,743,680,150.40
  5. Step 5: Solve for x
    x = 3,743,680,150.40/70,382.55
  6. Step 6: Final answer
    x = 53,190.46

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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.