Home / 90,011.98-124,217.50-49,726.82

Finding the Fourth Proportional to 90,011.98, 124,217.50 and 49,726.82

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Solution

The fourth proportional to 90,011.98, 124,217.50 and 49,726.82 is: 68,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,011.98 : 124,217.50 = 49,726.82 : x
  2. Step 2: Convert to fraction form
    90,011.98/124,217.50 = 49,726.82/x
  3. Step 3: Cross multiply
    90,011.98x = 124,217.50 × 49,726.82
  4. Step 4: Simplify right side
    90,011.98x = 6,176,941,263.35
  5. Step 5: Solve for x
    x = 6,176,941,263.35/90,011.98
  6. Step 6: Final answer
    x = 68,623.55

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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.