Home / 90,637.47-125,083.25-62,017.15

Finding the Fourth Proportional to 90,637.47, 125,083.25 and 62,017.15

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Solution

The fourth proportional to 90,637.47, 125,083.25 and 62,017.15 is: 85,586.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,637.47 : 125,083.25 = 62,017.15 : x
  2. Step 2: Convert to fraction form
    90,637.47/125,083.25 = 62,017.15/x
  3. Step 3: Cross multiply
    90,637.47x = 125,083.25 × 62,017.15
  4. Step 4: Simplify right side
    90,637.47x = 7,757,306,677.74
  5. Step 5: Solve for x
    x = 7,757,306,677.74/90,637.47
  6. Step 6: Final answer
    x = 85,586.09

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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.