Home / 54,721.27-75,515.34-29,570.77

Finding the Fourth Proportional to 54,721.27, 75,515.34 and 29,570.77

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Solution

The fourth proportional to 54,721.27, 75,515.34 and 29,570.77 is: 40,807.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,721.27 : 75,515.34 = 29,570.77 : x
  2. Step 2: Convert to fraction form
    54,721.27/75,515.34 = 29,570.77/x
  3. Step 3: Cross multiply
    54,721.27x = 75,515.34 × 29,570.77
  4. Step 4: Simplify right side
    54,721.27x = 2,233,046,750.61
  5. Step 5: Solve for x
    x = 2,233,046,750.61/54,721.27
  6. Step 6: Final answer
    x = 40,807.66

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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.