Home / 90,296.42-124,609.98-54,479.51

Finding the Fourth Proportional to 90,296.42, 124,609.98 and 54,479.51

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Solution

The fourth proportional to 90,296.42, 124,609.98 and 54,479.51 is: 75,182.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,296.42 : 124,609.98 = 54,479.51 : x
  2. Step 2: Convert to fraction form
    90,296.42/124,609.98 = 54,479.51/x
  3. Step 3: Cross multiply
    90,296.42x = 124,609.98 × 54,479.51
  4. Step 4: Simplify right side
    90,296.42x = 6,788,690,651.51
  5. Step 5: Solve for x
    x = 6,788,690,651.51/90,296.42
  6. Step 6: Final answer
    x = 75,182.28

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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.