Home / 78,597.32-108,432.24-48,373.52

Finding the Fourth Proportional to 78,597.32, 108,432.24 and 48,373.52

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Solution

The fourth proportional to 78,597.32, 108,432.24 and 48,373.52 is: 66,735.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,597.32 : 108,432.24 = 48,373.52 : x
  2. Step 2: Convert to fraction form
    78,597.32/108,432.24 = 48,373.52/x
  3. Step 3: Cross multiply
    78,597.32x = 108,432.24 × 48,373.52
  4. Step 4: Simplify right side
    78,597.32x = 5,245,249,130.28
  5. Step 5: Solve for x
    x = 5,245,249,130.28/78,597.32
  6. Step 6: Final answer
    x = 66,735.72

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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.