Home / 55,966.66-77,233.92-30,816.16

Finding the Fourth Proportional to 55,966.66, 77,233.92 and 30,816.16

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Solution

The fourth proportional to 55,966.66, 77,233.92 and 30,816.16 is: 42,526.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,966.66 : 77,233.92 = 30,816.16 : x
  2. Step 2: Convert to fraction form
    55,966.66/77,233.92 = 30,816.16/x
  3. Step 3: Cross multiply
    55,966.66x = 77,233.92 × 30,816.16
  4. Step 4: Simplify right side
    55,966.66x = 2,380,052,836.15
  5. Step 5: Solve for x
    x = 2,380,052,836.15/55,966.66
  6. Step 6: Final answer
    x = 42,526.26

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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.