Home / 99,302.86-148,870.51-43,100.61

Finding the Fourth Proportional to 99,302.86, 148,870.51 and 43,100.61

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Solution

The fourth proportional to 99,302.86, 148,870.51 and 43,100.61 is: 64,614.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,302.86 : 148,870.51 = 43,100.61 : x
  2. Step 2: Convert to fraction form
    99,302.86/148,870.51 = 43,100.61/x
  3. Step 3: Cross multiply
    99,302.86x = 148,870.51 × 43,100.61
  4. Step 4: Simplify right side
    99,302.86x = 6,416,409,126.00
  5. Step 5: Solve for x
    x = 6,416,409,126.00/99,302.86
  6. Step 6: Final answer
    x = 64,614.54

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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.