Home / 99,077.41-148,624.76-28,000.79

Finding the Fourth Proportional to 99,077.41, 148,624.76 and 28,000.79

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Solution

The fourth proportional to 99,077.41, 148,624.76 and 28,000.79 is: 42,003.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,077.41 : 148,624.76 = 28,000.79 : x
  2. Step 2: Convert to fraction form
    99,077.41/148,624.76 = 28,000.79/x
  3. Step 3: Cross multiply
    99,077.41x = 148,624.76 × 28,000.79
  4. Step 4: Simplify right side
    99,077.41x = 4,161,610,693.56
  5. Step 5: Solve for x
    x = 4,161,610,693.56/99,077.41
  6. Step 6: Final answer
    x = 42,003.63

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1.5x scale

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.