Home / 99,042.51-148,549.19-32,489.67

Finding the Fourth Proportional to 99,042.51, 148,549.19 and 32,489.67

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Solution

The fourth proportional to 99,042.51, 148,549.19 and 32,489.67 is: 48,729.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,042.51 : 148,549.19 = 32,489.67 : x
  2. Step 2: Convert to fraction form
    99,042.51/148,549.19 = 32,489.67/x
  3. Step 3: Cross multiply
    99,042.51x = 148,549.19 × 32,489.67
  4. Step 4: Simplify right side
    99,042.51x = 4,826,313,999.42
  5. Step 5: Solve for x
    x = 4,826,313,999.42/99,042.51
  6. Step 6: Final answer
    x = 48,729.72

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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.