Home / 98,499.02-147,761.28-45,178.14

Finding the Fourth Proportional to 98,499.02, 147,761.28 and 45,178.14

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Solution

The fourth proportional to 98,499.02, 147,761.28 and 45,178.14 is: 67,773.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,499.02 : 147,761.28 = 45,178.14 : x
  2. Step 2: Convert to fraction form
    98,499.02/147,761.28 = 45,178.14/x
  3. Step 3: Cross multiply
    98,499.02x = 147,761.28 × 45,178.14
  4. Step 4: Simplify right side
    98,499.02x = 6,675,579,794.42
  5. Step 5: Solve for x
    x = 6,675,579,794.42/98,499.02
  6. Step 6: Final answer
    x = 67,773.06

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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.