Home / 76,841.86-106,052.18-45,023.44

Finding the Fourth Proportional to 76,841.86, 106,052.18 and 45,023.44

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Solution

The fourth proportional to 76,841.86, 106,052.18 and 45,023.44 is: 62,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,841.86 : 106,052.18 = 45,023.44 : x
  2. Step 2: Convert to fraction form
    76,841.86/106,052.18 = 45,023.44/x
  3. Step 3: Cross multiply
    76,841.86x = 106,052.18 × 45,023.44
  4. Step 4: Simplify right side
    76,841.86x = 4,774,833,963.10
  5. Step 5: Solve for x
    x = 4,774,833,963.10/76,841.86
  6. Step 6: Final answer
    x = 62,138.45

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1.5x scale

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.