Home / 55,666.17-76,819.23-30,517.29

Finding the Fourth Proportional to 55,666.17, 76,819.23 and 30,517.29

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Solution

The fourth proportional to 55,666.17, 76,819.23 and 30,517.29 is: 42,113.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,666.17 : 76,819.23 = 30,517.29 : x
  2. Step 2: Convert to fraction form
    55,666.17/76,819.23 = 30,517.29/x
  3. Step 3: Cross multiply
    55,666.17x = 76,819.23 × 30,517.29
  4. Step 4: Simplify right side
    55,666.17x = 2,344,314,719.49
  5. Step 5: Solve for x
    x = 2,344,314,719.49/55,666.17
  6. Step 6: Final answer
    x = 42,113.81

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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.