Home / 99,926.04-149,814.95-60,473.78

Finding the Fourth Proportional to 99,926.04, 149,814.95 and 60,473.78

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Solution

The fourth proportional to 99,926.04, 149,814.95 and 60,473.78 is: 90,665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,926.04 : 149,814.95 = 60,473.78 : x
  2. Step 2: Convert to fraction form
    99,926.04/149,814.95 = 60,473.78/x
  3. Step 3: Cross multiply
    99,926.04x = 149,814.95 × 60,473.78
  4. Step 4: Simplify right side
    99,926.04x = 9,059,876,327.01
  5. Step 5: Solve for x
    x = 9,059,876,327.01/99,926.04
  6. Step 6: Final answer
    x = 90,665.82

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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.