Home / 55,943.18-77,203-30,450.92

Finding the Fourth Proportional to 55,943.18, 77,203 and 30,450.92

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Solution

The fourth proportional to 55,943.18, 77,203 and 30,450.92 is: 42,023.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,943.18 : 77,203 = 30,450.92 : x
  2. Step 2: Convert to fraction form
    55,943.18/77,203 = 30,450.92/x
  3. Step 3: Cross multiply
    55,943.18x = 77,203 × 30,450.92
  4. Step 4: Simplify right side
    55,943.18x = 2,350,902,376.76
  5. Step 5: Solve for x
    x = 2,350,902,376.76/55,943.18
  6. Step 6: Final answer
    x = 42,023.04

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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.