Home / 99,400.10-149,147.93-49,484.52

Finding the Fourth Proportional to 99,400.10, 149,147.93 and 49,484.52

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Solution

The fourth proportional to 99,400.10, 149,147.93 and 49,484.52 is: 74,250.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,400.10 : 149,147.93 = 49,484.52 : x
  2. Step 2: Convert to fraction form
    99,400.10/149,147.93 = 49,484.52/x
  3. Step 3: Cross multiply
    99,400.10x = 149,147.93 × 49,484.52
  4. Step 4: Simplify right side
    99,400.10x = 7,380,513,848.75
  5. Step 5: Solve for x
    x = 7,380,513,848.75/99,400.10
  6. Step 6: Final answer
    x = 74,250.57

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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.