Home / 113,810.30-170,715.45-54,631.70

Finding the Fourth Proportional to 113,810.30, 170,715.45 and 54,631.70

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Solution

The fourth proportional to 113,810.30, 170,715.45 and 54,631.70 is: 81,947.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,810.30 : 170,715.45 = 54,631.70 : x
  2. Step 2: Convert to fraction form
    113,810.30/170,715.45 = 54,631.70/x
  3. Step 3: Cross multiply
    113,810.30x = 170,715.45 × 54,631.70
  4. Step 4: Simplify right side
    113,810.30x = 9,326,475,249.77
  5. Step 5: Solve for x
    x = 9,326,475,249.77/113,810.30
  6. Step 6: Final answer
    x = 81,947.55

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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.