Home / 77,820.61-116,543.79-44,439.50

Finding the Fourth Proportional to 77,820.61, 116,543.79 and 44,439.50

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Solution

The fourth proportional to 77,820.61, 116,543.79 and 44,439.50 is: 66,552.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,820.61 : 116,543.79 = 44,439.50 : x
  2. Step 2: Convert to fraction form
    77,820.61/116,543.79 = 44,439.50/x
  3. Step 3: Cross multiply
    77,820.61x = 116,543.79 × 44,439.50
  4. Step 4: Simplify right side
    77,820.61x = 5,179,147,755.71
  5. Step 5: Solve for x
    x = 5,179,147,755.71/77,820.61
  6. Step 6: Final answer
    x = 66,552.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.