Home / 62,781.48-86,638.50-34,488.99

Finding the Fourth Proportional to 62,781.48, 86,638.50 and 34,488.99

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Solution

The fourth proportional to 62,781.48, 86,638.50 and 34,488.99 is: 47,594.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,781.48 : 86,638.50 = 34,488.99 : x
  2. Step 2: Convert to fraction form
    62,781.48/86,638.50 = 34,488.99/x
  3. Step 3: Cross multiply
    62,781.48x = 86,638.50 × 34,488.99
  4. Step 4: Simplify right side
    62,781.48x = 2,988,074,360.12
  5. Step 5: Solve for x
    x = 2,988,074,360.12/62,781.48
  6. Step 6: Final answer
    x = 47,594.84

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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.