Home / 99,476.28-149,014.53-49,404.90

Finding the Fourth Proportional to 99,476.28, 149,014.53 and 49,404.90

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Solution

The fourth proportional to 99,476.28, 149,014.53 and 49,404.90 is: 74,008.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,476.28 : 149,014.53 = 49,404.90 : x
  2. Step 2: Convert to fraction form
    99,476.28/149,014.53 = 49,404.90/x
  3. Step 3: Cross multiply
    99,476.28x = 149,014.53 × 49,404.90
  4. Step 4: Simplify right side
    99,476.28x = 7,362,047,953.20
  5. Step 5: Solve for x
    x = 7,362,047,953.20/99,476.28
  6. Step 6: Final answer
    x = 74,008.07

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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.