Home / 90,111.58-124,348.95-49,822.92

Finding the Fourth Proportional to 90,111.58, 124,348.95 and 49,822.92

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Solution

The fourth proportional to 90,111.58, 124,348.95 and 49,822.92 is: 68,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,111.58 : 124,348.95 = 49,822.92 : x
  2. Step 2: Convert to fraction form
    90,111.58/124,348.95 = 49,822.92/x
  3. Step 3: Cross multiply
    90,111.58x = 124,348.95 × 49,822.92
  4. Step 4: Simplify right side
    90,111.58x = 6,195,427,787.93
  5. Step 5: Solve for x
    x = 6,195,427,787.93/90,111.58
  6. Step 6: Final answer
    x = 68,752.85

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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.