Home / 90,394.38-124,588.40-60,125.49

Finding the Fourth Proportional to 90,394.38, 124,588.40 and 60,125.49

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Solution

The fourth proportional to 90,394.38, 124,588.40 and 60,125.49 is: 82,869.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,394.38 : 124,588.40 = 60,125.49 : x
  2. Step 2: Convert to fraction form
    90,394.38/124,588.40 = 60,125.49/x
  3. Step 3: Cross multiply
    90,394.38x = 124,588.40 × 60,125.49
  4. Step 4: Simplify right side
    90,394.38x = 7,490,938,297.69
  5. Step 5: Solve for x
    x = 7,490,938,297.69/90,394.38
  6. Step 6: Final answer
    x = 82,869.51

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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.