Home / 77,618.42-116,317.37-59,781.62

Finding the Fourth Proportional to 77,618.42, 116,317.37 and 59,781.62

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Solution

The fourth proportional to 77,618.42, 116,317.37 and 59,781.62 is: 89,587.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,618.42 : 116,317.37 = 59,781.62 : x
  2. Step 2: Convert to fraction form
    77,618.42/116,317.37 = 59,781.62/x
  3. Step 3: Cross multiply
    77,618.42x = 116,317.37 × 59,781.62
  4. Step 4: Simplify right side
    77,618.42x = 6,953,640,380.61
  5. Step 5: Solve for x
    x = 6,953,640,380.61/77,618.42
  6. Step 6: Final answer
    x = 89,587.50

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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.