Home / 77,341.68-106,693.56-50,471.76

Finding the Fourth Proportional to 77,341.68, 106,693.56 and 50,471.76

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Solution

The fourth proportional to 77,341.68, 106,693.56 and 50,471.76 is: 69,626.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,341.68 : 106,693.56 = 50,471.76 : x
  2. Step 2: Convert to fraction form
    77,341.68/106,693.56 = 50,471.76/x
  3. Step 3: Cross multiply
    77,341.68x = 106,693.56 × 50,471.76
  4. Step 4: Simplify right side
    77,341.68x = 5,385,011,753.87
  5. Step 5: Solve for x
    x = 5,385,011,753.87/77,341.68
  6. Step 6: Final answer
    x = 69,626.26

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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.