Home / 90,320.37-124,624.14-54,512.34

Finding the Fourth Proportional to 90,320.37, 124,624.14 and 54,512.34

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Solution

The fourth proportional to 90,320.37, 124,624.14 and 54,512.34 is: 75,216.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,320.37 : 124,624.14 = 54,512.34 : x
  2. Step 2: Convert to fraction form
    90,320.37/124,624.14 = 54,512.34/x
  3. Step 3: Cross multiply
    90,320.37x = 124,624.14 × 54,512.34
  4. Step 4: Simplify right side
    90,320.37x = 6,793,553,981.08
  5. Step 5: Solve for x
    x = 6,793,553,981.08/90,320.37
  6. Step 6: Final answer
    x = 75,216.19

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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.