Home / 55,753.27-77,003.40-36,718.12

Finding the Fourth Proportional to 55,753.27, 77,003.40 and 36,718.12

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Solution

The fourth proportional to 55,753.27, 77,003.40 and 36,718.12 is: 50,713.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,753.27 : 77,003.40 = 36,718.12 : x
  2. Step 2: Convert to fraction form
    55,753.27/77,003.40 = 36,718.12/x
  3. Step 3: Cross multiply
    55,753.27x = 77,003.40 × 36,718.12
  4. Step 4: Simplify right side
    55,753.27x = 2,827,420,081.61
  5. Step 5: Solve for x
    x = 2,827,420,081.61/55,753.27
  6. Step 6: Final answer
    x = 50,713.08

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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.