Home / 54,866.16-75,687.48-34,689.06

Finding the Fourth Proportional to 54,866.16, 75,687.48 and 34,689.06

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Solution

The fourth proportional to 54,866.16, 75,687.48 and 34,689.06 is: 47,853.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,866.16 : 75,687.48 = 34,689.06 : x
  2. Step 2: Convert to fraction form
    54,866.16/75,687.48 = 34,689.06/x
  3. Step 3: Cross multiply
    54,866.16x = 75,687.48 × 34,689.06
  4. Step 4: Simplify right side
    54,866.16x = 2,625,527,534.97
  5. Step 5: Solve for x
    x = 2,625,527,534.97/54,866.16
  6. Step 6: Final answer
    x = 47,853.31

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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.