Home / 90,819.95-125,332.14-50,535.41

Finding the Fourth Proportional to 90,819.95, 125,332.14 and 50,535.41

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Solution

The fourth proportional to 90,819.95, 125,332.14 and 50,535.41 is: 69,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,819.95 : 125,332.14 = 50,535.41 : x
  2. Step 2: Convert to fraction form
    90,819.95/125,332.14 = 50,535.41/x
  3. Step 3: Cross multiply
    90,819.95x = 125,332.14 × 50,535.41
  4. Step 4: Simplify right side
    90,819.95x = 6,333,710,454.42
  5. Step 5: Solve for x
    x = 6,333,710,454.42/90,819.95
  6. Step 6: Final answer
    x = 69,739.20

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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.