Home / 99,948.60-149,903.28-28,866.24

Finding the Fourth Proportional to 99,948.60, 149,903.28 and 28,866.24

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Solution

The fourth proportional to 99,948.60, 149,903.28 and 28,866.24 is: 43,293.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,948.60 : 149,903.28 = 28,866.24 : x
  2. Step 2: Convert to fraction form
    99,948.60/149,903.28 = 28,866.24/x
  3. Step 3: Cross multiply
    99,948.60x = 149,903.28 × 28,866.24
  4. Step 4: Simplify right side
    99,948.60x = 4,327,144,057.27
  5. Step 5: Solve for x
    x = 4,327,144,057.27/99,948.60
  6. Step 6: Final answer
    x = 43,293.69

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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.