Home / 90,001.24-124,108.67-77,296.48

Finding the Fourth Proportional to 90,001.24, 124,108.67 and 77,296.48

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Solution

The fourth proportional to 90,001.24, 124,108.67 and 77,296.48 is: 106,589.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,001.24 : 124,108.67 = 77,296.48 : x
  2. Step 2: Convert to fraction form
    90,001.24/124,108.67 = 77,296.48/x
  3. Step 3: Cross multiply
    90,001.24x = 124,108.67 × 77,296.48
  4. Step 4: Simplify right side
    90,001.24x = 9,593,163,211.45
  5. Step 5: Solve for x
    x = 9,593,163,211.45/90,001.24
  6. Step 6: Final answer
    x = 106,589.24

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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.