Home / 43,139.46-64,724.76-15,063.65

Finding the Fourth Proportional to 43,139.46, 64,724.76 and 15,063.65

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Solution

The fourth proportional to 43,139.46, 64,724.76 and 15,063.65 is: 22,600.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,139.46 : 64,724.76 = 15,063.65 : x
  2. Step 2: Convert to fraction form
    43,139.46/64,724.76 = 15,063.65/x
  3. Step 3: Cross multiply
    43,139.46x = 64,724.76 × 15,063.65
  4. Step 4: Simplify right side
    43,139.46x = 974,991,130.97
  5. Step 5: Solve for x
    x = 974,991,130.97/43,139.46
  6. Step 6: Final answer
    x = 22,600.91

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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.