Home / 90,563.74-124,981.18-50,278.12

Finding the Fourth Proportional to 90,563.74, 124,981.18 and 50,278.12

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Solution

The fourth proportional to 90,563.74, 124,981.18 and 50,278.12 is: 69,385.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,563.74 : 124,981.18 = 50,278.12 : x
  2. Step 2: Convert to fraction form
    90,563.74/124,981.18 = 50,278.12/x
  3. Step 3: Cross multiply
    90,563.74x = 124,981.18 × 50,278.12
  4. Step 4: Simplify right side
    90,563.74x = 6,283,818,327.63
  5. Step 5: Solve for x
    x = 6,283,818,327.63/90,563.74
  6. Step 6: Final answer
    x = 69,385.59

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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.