Home / 90,505.06-124,897.14-50,218.84

Finding the Fourth Proportional to 90,505.06, 124,897.14 and 50,218.84

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Solution

The fourth proportional to 90,505.06, 124,897.14 and 50,218.84 is: 69,302.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,505.06 : 124,897.14 = 50,218.84 : x
  2. Step 2: Convert to fraction form
    90,505.06/124,897.14 = 50,218.84/x
  3. Step 3: Cross multiply
    90,505.06x = 124,897.14 × 50,218.84
  4. Step 4: Simplify right side
    90,505.06x = 6,272,189,490.12
  5. Step 5: Solve for x
    x = 6,272,189,490.12/90,505.06
  6. Step 6: Final answer
    x = 69,302.09

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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.