Home / 78,127.08-107,834.66-44,612.52

Finding the Fourth Proportional to 78,127.08, 107,834.66 and 44,612.52

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Solution

The fourth proportional to 78,127.08, 107,834.66 and 44,612.52 is: 61,576.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,127.08 : 107,834.66 = 44,612.52 : x
  2. Step 2: Convert to fraction form
    78,127.08/107,834.66 = 44,612.52/x
  3. Step 3: Cross multiply
    78,127.08x = 107,834.66 × 44,612.52
  4. Step 4: Simplify right side
    78,127.08x = 4,810,775,925.94
  5. Step 5: Solve for x
    x = 4,810,775,925.94/78,127.08
  6. Step 6: Final answer
    x = 61,576.29

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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.