Home / 90,253.77-124,549.35-51,999.27

Finding the Fourth Proportional to 90,253.77, 124,549.35 and 51,999.27

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Solution

The fourth proportional to 90,253.77, 124,549.35 and 51,999.27 is: 71,758.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,253.77 : 124,549.35 = 51,999.27 : x
  2. Step 2: Convert to fraction form
    90,253.77/124,549.35 = 51,999.27/x
  3. Step 3: Cross multiply
    90,253.77x = 124,549.35 × 51,999.27
  4. Step 4: Simplify right side
    90,253.77x = 6,476,475,278.97
  5. Step 5: Solve for x
    x = 6,476,475,278.97/90,253.77
  6. Step 6: Final answer
    x = 71,758.50

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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.