Home / 99,822.60-149,733.90-40,700.70

Finding the Fourth Proportional to 99,822.60, 149,733.90 and 40,700.70

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Solution

The fourth proportional to 99,822.60, 149,733.90 and 40,700.70 is: 61,051.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,822.60 : 149,733.90 = 40,700.70 : x
  2. Step 2: Convert to fraction form
    99,822.60/149,733.90 = 40,700.70/x
  3. Step 3: Cross multiply
    99,822.60x = 149,733.90 × 40,700.70
  4. Step 4: Simplify right side
    99,822.60x = 6,094,274,543.73
  5. Step 5: Solve for x
    x = 6,094,274,543.73/99,822.60
  6. Step 6: Final answer
    x = 61,051.05

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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.