Home / 78,176.34-117,326.07-44,959.86

Finding the Fourth Proportional to 78,176.34, 117,326.07 and 44,959.86

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Solution

The fourth proportional to 78,176.34, 117,326.07 and 44,959.86 is: 67,475.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,176.34 : 117,326.07 = 44,959.86 : x
  2. Step 2: Convert to fraction form
    78,176.34/117,326.07 = 44,959.86/x
  3. Step 3: Cross multiply
    78,176.34x = 117,326.07 × 44,959.86
  4. Step 4: Simplify right side
    78,176.34x = 5,274,963,681.55
  5. Step 5: Solve for x
    x = 5,274,963,681.55/78,176.34
  6. Step 6: Final answer
    x = 67,475.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.