Home / 90,257.82-124,560.36-49,973.28

Finding the Fourth Proportional to 90,257.82, 124,560.36 and 49,973.28

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Solution

The fourth proportional to 90,257.82, 124,560.36 and 49,973.28 is: 68,965.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,257.82 : 124,560.36 = 49,973.28 : x
  2. Step 2: Convert to fraction form
    90,257.82/124,560.36 = 49,973.28/x
  3. Step 3: Cross multiply
    90,257.82x = 124,560.36 × 49,973.28
  4. Step 4: Simplify right side
    90,257.82x = 6,224,689,747.18
  5. Step 5: Solve for x
    x = 6,224,689,747.18/90,257.82
  6. Step 6: Final answer
    x = 68,965.66

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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.