Home / 62,749.08-86,609.52-42,334.38

Finding the Fourth Proportional to 62,749.08, 86,609.52 and 42,334.38

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Solution

The fourth proportional to 62,749.08, 86,609.52 and 42,334.38 is: 58,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,749.08 : 86,609.52 = 42,334.38 : x
  2. Step 2: Convert to fraction form
    62,749.08/86,609.52 = 42,334.38/x
  3. Step 3: Cross multiply
    62,749.08x = 86,609.52 × 42,334.38
  4. Step 4: Simplify right side
    62,749.08x = 3,666,560,331.30
  5. Step 5: Solve for x
    x = 3,666,560,331.30/62,749.08
  6. Step 6: Final answer
    x = 58,432.10

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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.