Home / 77,854.07-116,739.59-40,321.04

Finding the Fourth Proportional to 77,854.07, 116,739.59 and 40,321.04

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Solution

The fourth proportional to 77,854.07, 116,739.59 and 40,321.04 is: 60,460.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,854.07 : 116,739.59 = 40,321.04 : x
  2. Step 2: Convert to fraction form
    77,854.07/116,739.59 = 40,321.04/x
  3. Step 3: Cross multiply
    77,854.07x = 116,739.59 × 40,321.04
  4. Step 4: Simplify right side
    77,854.07x = 4,707,060,892.67
  5. Step 5: Solve for x
    x = 4,707,060,892.67/77,854.07
  6. Step 6: Final answer
    x = 60,460.05

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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.