Home / 70,531.29-97,330.14-38,699.64

Finding the Fourth Proportional to 70,531.29, 97,330.14 and 38,699.64

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Solution

The fourth proportional to 70,531.29, 97,330.14 and 38,699.64 is: 53,403.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,531.29 : 97,330.14 = 38,699.64 : x
  2. Step 2: Convert to fraction form
    70,531.29/97,330.14 = 38,699.64/x
  3. Step 3: Cross multiply
    70,531.29x = 97,330.14 × 38,699.64
  4. Step 4: Simplify right side
    70,531.29x = 3,766,641,379.15
  5. Step 5: Solve for x
    x = 3,766,641,379.15/70,531.29
  6. Step 6: Final answer
    x = 53,403.84

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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.