Home / 90,032.88-124,238.98-49,746.21

Finding the Fourth Proportional to 90,032.88, 124,238.98 and 49,746.21

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Solution

The fourth proportional to 90,032.88, 124,238.98 and 49,746.21 is: 68,646.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,032.88 : 124,238.98 = 49,746.21 : x
  2. Step 2: Convert to fraction form
    90,032.88/124,238.98 = 49,746.21/x
  3. Step 3: Cross multiply
    90,032.88x = 124,238.98 × 49,746.21
  4. Step 4: Simplify right side
    90,032.88x = 6,180,418,389.27
  5. Step 5: Solve for x
    x = 6,180,418,389.27/90,032.88
  6. Step 6: Final answer
    x = 68,646.24

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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.