Home / 108,947.73-150,331.50-61,191.93

Finding the Fourth Proportional to 108,947.73, 150,331.50 and 61,191.93

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Solution

The fourth proportional to 108,947.73, 150,331.50 and 61,191.93 is: 84,435.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,947.73 : 150,331.50 = 61,191.93 : x
  2. Step 2: Convert to fraction form
    108,947.73/150,331.50 = 61,191.93/x
  3. Step 3: Cross multiply
    108,947.73x = 150,331.50 × 61,191.93
  4. Step 4: Simplify right side
    108,947.73x = 9,199,074,624.80
  5. Step 5: Solve for x
    x = 9,199,074,624.80/108,947.73
  6. Step 6: Final answer
    x = 84,435.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.