Home / 76,962.76-115,356.06-34,874.92

Finding the Fourth Proportional to 76,962.76, 115,356.06 and 34,874.92

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Solution

The fourth proportional to 76,962.76, 115,356.06 and 34,874.92 is: 52,272.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,962.76 : 115,356.06 = 34,874.92 : x
  2. Step 2: Convert to fraction form
    76,962.76/115,356.06 = 34,874.92/x
  3. Step 3: Cross multiply
    76,962.76x = 115,356.06 × 34,874.92
  4. Step 4: Simplify right side
    76,962.76x = 4,023,033,364.02
  5. Step 5: Solve for x
    x = 4,023,033,364.02/76,962.76
  6. Step 6: Final answer
    x = 52,272.47

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1.5x scale

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.