Home / 90,235.02-124,522.82-49,947.92

Finding the Fourth Proportional to 90,235.02, 124,522.82 and 49,947.92

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Solution

The fourth proportional to 90,235.02, 124,522.82 and 49,947.92 is: 68,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,235.02 : 124,522.82 = 49,947.92 : x
  2. Step 2: Convert to fraction form
    90,235.02/124,522.82 = 49,947.92/x
  3. Step 3: Cross multiply
    90,235.02x = 124,522.82 × 49,947.92
  4. Step 4: Simplify right side
    90,235.02x = 6,219,655,773.92
  5. Step 5: Solve for x
    x = 6,219,655,773.92/90,235.02
  6. Step 6: Final answer
    x = 68,927.29

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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.