Home / 115,624.87-173,437.38-31,385.05

Finding the Fourth Proportional to 115,624.87, 173,437.38 and 31,385.05

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Solution

The fourth proportional to 115,624.87, 173,437.38 and 31,385.05 is: 47,077.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,624.87 : 173,437.38 = 31,385.05 : x
  2. Step 2: Convert to fraction form
    115,624.87/173,437.38 = 31,385.05/x
  3. Step 3: Cross multiply
    115,624.87x = 173,437.38 × 31,385.05
  4. Step 4: Simplify right side
    115,624.87x = 5,443,340,409.58
  5. Step 5: Solve for x
    x = 5,443,340,409.58/115,624.87
  6. Step 6: Final answer
    x = 47,077.59

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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.