Home / 78,620.07-108,490.18-44,629.24

Finding the Fourth Proportional to 78,620.07, 108,490.18 and 44,629.24

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Solution

The fourth proportional to 78,620.07, 108,490.18 and 44,629.24 is: 61,585.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,620.07 : 108,490.18 = 44,629.24 : x
  2. Step 2: Convert to fraction form
    78,620.07/108,490.18 = 44,629.24/x
  3. Step 3: Cross multiply
    78,620.07x = 108,490.18 × 44,629.24
  4. Step 4: Simplify right side
    78,620.07x = 4,841,834,280.86
  5. Step 5: Solve for x
    x = 4,841,834,280.86/78,620.07
  6. Step 6: Final answer
    x = 61,585.22

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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.