Home / 76,114.19-105,035.92-41,658.76

Finding the Fourth Proportional to 76,114.19, 105,035.92 and 41,658.76

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Solution

The fourth proportional to 76,114.19, 105,035.92 and 41,658.76 is: 57,488.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,114.19 : 105,035.92 = 41,658.76 : x
  2. Step 2: Convert to fraction form
    76,114.19/105,035.92 = 41,658.76/x
  3. Step 3: Cross multiply
    76,114.19x = 105,035.92 × 41,658.76
  4. Step 4: Simplify right side
    76,114.19x = 4,375,666,182.66
  5. Step 5: Solve for x
    x = 4,375,666,182.66/76,114.19
  6. Step 6: Final answer
    x = 57,488.18

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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.