Home / 83,098.83-114,618.20-56,229.51

Finding the Fourth Proportional to 83,098.83, 114,618.20 and 56,229.51

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Solution

The fourth proportional to 83,098.83, 114,618.20 and 56,229.51 is: 77,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,098.83 : 114,618.20 = 56,229.51 : x
  2. Step 2: Convert to fraction form
    83,098.83/114,618.20 = 56,229.51/x
  3. Step 3: Cross multiply
    83,098.83x = 114,618.20 × 56,229.51
  4. Step 4: Simplify right side
    83,098.83x = 6,444,924,941.93
  5. Step 5: Solve for x
    x = 6,444,924,941.93/83,098.83
  6. Step 6: Final answer
    x = 77,557.35

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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.