Home / 90,215.89-124,494.10-49,925.88

Finding the Fourth Proportional to 90,215.89, 124,494.10 and 49,925.88

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Solution

The fourth proportional to 90,215.89, 124,494.10 and 49,925.88 is: 68,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,215.89 : 124,494.10 = 49,925.88 : x
  2. Step 2: Convert to fraction form
    90,215.89/124,494.10 = 49,925.88/x
  3. Step 3: Cross multiply
    90,215.89x = 124,494.10 × 49,925.88
  4. Step 4: Simplify right side
    90,215.89x = 6,215,477,372.49
  5. Step 5: Solve for x
    x = 6,215,477,372.49/90,215.89
  6. Step 6: Final answer
    x = 68,895.60

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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.