Home / 99,531.68-149,296.59-40,353.28

Finding the Fourth Proportional to 99,531.68, 149,296.59 and 40,353.28

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Solution

The fourth proportional to 99,531.68, 149,296.59 and 40,353.28 is: 60,529.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,531.68 : 149,296.59 = 40,353.28 : x
  2. Step 2: Convert to fraction form
    99,531.68/149,296.59 = 40,353.28/x
  3. Step 3: Cross multiply
    99,531.68x = 149,296.59 × 40,353.28
  4. Step 4: Simplify right side
    99,531.68x = 6,024,606,151.07
  5. Step 5: Solve for x
    x = 6,024,606,151.07/99,531.68
  6. Step 6: Final answer
    x = 60,529.54

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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.