Home / 90,032.91-124,238.95-49,746.21

Finding the Fourth Proportional to 90,032.91, 124,238.95 and 49,746.21

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Solution

The fourth proportional to 90,032.91, 124,238.95 and 49,746.21 is: 68,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,032.91 : 124,238.95 = 49,746.21 : x
  2. Step 2: Convert to fraction form
    90,032.91/124,238.95 = 49,746.21/x
  3. Step 3: Cross multiply
    90,032.91x = 124,238.95 × 49,746.21
  4. Step 4: Simplify right side
    90,032.91x = 6,180,416,896.88
  5. Step 5: Solve for x
    x = 6,180,416,896.88/90,032.91
  6. Step 6: Final answer
    x = 68,646.20

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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.