Home / 71,770.24-99,036.49-41,557.61

Finding the Fourth Proportional to 71,770.24, 99,036.49 and 41,557.61

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Solution

The fourth proportional to 71,770.24, 99,036.49 and 41,557.61 is: 57,345.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,770.24 : 99,036.49 = 41,557.61 : x
  2. Step 2: Convert to fraction form
    71,770.24/99,036.49 = 41,557.61/x
  3. Step 3: Cross multiply
    71,770.24x = 99,036.49 × 41,557.61
  4. Step 4: Simplify right side
    71,770.24x = 4,115,720,048.81
  5. Step 5: Solve for x
    x = 4,115,720,048.81/71,770.24
  6. Step 6: Final answer
    x = 57,345.77

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1.5x scale

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.