Home / 99,389.52-149,089.08-29,269.52

Finding the Fourth Proportional to 99,389.52, 149,089.08 and 29,269.52

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Solution

The fourth proportional to 99,389.52, 149,089.08 and 29,269.52 is: 43,905.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,389.52 : 149,089.08 = 29,269.52 : x
  2. Step 2: Convert to fraction form
    99,389.52/149,089.08 = 29,269.52/x
  3. Step 3: Cross multiply
    99,389.52x = 149,089.08 × 29,269.52
  4. Step 4: Simplify right side
    99,389.52x = 4,363,765,808.84
  5. Step 5: Solve for x
    x = 4,363,765,808.84/99,389.52
  6. Step 6: Final answer
    x = 43,905.69

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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.