Home / 77,842.74-116,337.61-56,827.04

Finding the Fourth Proportional to 77,842.74, 116,337.61 and 56,827.04

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Solution

The fourth proportional to 77,842.74, 116,337.61 and 56,827.04 is: 84,929.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,842.74 : 116,337.61 = 56,827.04 : x
  2. Step 2: Convert to fraction form
    77,842.74/116,337.61 = 56,827.04/x
  3. Step 3: Cross multiply
    77,842.74x = 116,337.61 × 56,827.04
  4. Step 4: Simplify right side
    77,842.74x = 6,611,121,151.15
  5. Step 5: Solve for x
    x = 6,611,121,151.15/77,842.74
  6. Step 6: Final answer
    x = 84,929.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.