Home / 78,513.07-108,345.72-44,524.66

Finding the Fourth Proportional to 78,513.07, 108,345.72 and 44,524.66

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Solution

The fourth proportional to 78,513.07, 108,345.72 and 44,524.66 is: 61,442.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,513.07 : 108,345.72 = 44,524.66 : x
  2. Step 2: Convert to fraction form
    78,513.07/108,345.72 = 44,524.66/x
  3. Step 3: Cross multiply
    78,513.07x = 108,345.72 × 44,524.66
  4. Step 4: Simplify right side
    78,513.07x = 4,824,056,345.46
  5. Step 5: Solve for x
    x = 4,824,056,345.46/78,513.07
  6. Step 6: Final answer
    x = 61,442.72

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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.