Home / 63,139.35-94,587.54-39,456.21

Finding the Fourth Proportional to 63,139.35, 94,587.54 and 39,456.21

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Solution

The fourth proportional to 63,139.35, 94,587.54 and 39,456.21 is: 59,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,139.35 : 94,587.54 = 39,456.21 : x
  2. Step 2: Convert to fraction form
    63,139.35/94,587.54 = 39,456.21/x
  3. Step 3: Cross multiply
    63,139.35x = 94,587.54 × 39,456.21
  4. Step 4: Simplify right side
    63,139.35x = 3,732,065,841.62
  5. Step 5: Solve for x
    x = 3,732,065,841.62/63,139.35
  6. Step 6: Final answer
    x = 59,108.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.