Home / 99,960.06-149,866.02-60,507.84

Finding the Fourth Proportional to 99,960.06, 149,866.02 and 60,507.84

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Solution

The fourth proportional to 99,960.06, 149,866.02 and 60,507.84 is: 90,716.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,960.06 : 149,866.02 = 60,507.84 : x
  2. Step 2: Convert to fraction form
    99,960.06/149,866.02 = 60,507.84/x
  3. Step 3: Cross multiply
    99,960.06x = 149,866.02 × 60,507.84
  4. Step 4: Simplify right side
    99,960.06x = 9,068,069,159.60
  5. Step 5: Solve for x
    x = 9,068,069,159.60/99,960.06
  6. Step 6: Final answer
    x = 90,716.92

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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.