Home / 90,312.32-124,625.51-50,023.73

Finding the Fourth Proportional to 90,312.32, 124,625.51 and 50,023.73

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Solution

The fourth proportional to 90,312.32, 124,625.51 and 50,023.73 is: 69,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,312.32 : 124,625.51 = 50,023.73 : x
  2. Step 2: Convert to fraction form
    90,312.32/124,625.51 = 50,023.73/x
  3. Step 3: Cross multiply
    90,312.32x = 124,625.51 × 50,023.73
  4. Step 4: Simplify right side
    90,312.32x = 6,234,231,990.11
  5. Step 5: Solve for x
    x = 6,234,231,990.11/90,312.32
  6. Step 6: Final answer
    x = 69,029.70

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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.