Home / 89,905.83-124,069.93-49,619.61

Finding the Fourth Proportional to 89,905.83, 124,069.93 and 49,619.61

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Solution

The fourth proportional to 89,905.83, 124,069.93 and 49,619.61 is: 68,475.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,905.83 : 124,069.93 = 49,619.61 : x
  2. Step 2: Convert to fraction form
    89,905.83/124,069.93 = 49,619.61/x
  3. Step 3: Cross multiply
    89,905.83x = 124,069.93 × 49,619.61
  4. Step 4: Simplify right side
    89,905.83x = 6,156,301,539.33
  5. Step 5: Solve for x
    x = 6,156,301,539.33/89,905.83
  6. Step 6: Final answer
    x = 68,475.00

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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.