Home / 89,896.40-124,057.56-49,611.20

Finding the Fourth Proportional to 89,896.40, 124,057.56 and 49,611.20

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Solution

The fourth proportional to 89,896.40, 124,057.56 and 49,611.20 is: 68,463.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,896.40 : 124,057.56 = 49,611.20 : x
  2. Step 2: Convert to fraction form
    89,896.40/124,057.56 = 49,611.20/x
  3. Step 3: Cross multiply
    89,896.40x = 124,057.56 × 49,611.20
  4. Step 4: Simplify right side
    89,896.40x = 6,154,644,420.67
  5. Step 5: Solve for x
    x = 6,154,644,420.67/89,896.40
  6. Step 6: Final answer
    x = 68,463.75

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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.