Home / 90,532.95-124,933.10-50,245.68

Finding the Fourth Proportional to 90,532.95, 124,933.10 and 50,245.68

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Solution

The fourth proportional to 90,532.95, 124,933.10 and 50,245.68 is: 69,337.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,532.95 : 124,933.10 = 50,245.68 : x
  2. Step 2: Convert to fraction form
    90,532.95/124,933.10 = 50,245.68/x
  3. Step 3: Cross multiply
    90,532.95x = 124,933.10 × 50,245.68
  4. Step 4: Simplify right side
    90,532.95x = 6,277,348,312.78
  5. Step 5: Solve for x
    x = 6,277,348,312.78/90,532.95
  6. Step 6: Final answer
    x = 69,337.72

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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.