Home / 55,589.14-76,711.59-31,060.15

Finding the Fourth Proportional to 55,589.14, 76,711.59 and 31,060.15

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Solution

The fourth proportional to 55,589.14, 76,711.59 and 31,060.15 is: 42,862.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,589.14 : 76,711.59 = 31,060.15 : x
  2. Step 2: Convert to fraction form
    55,589.14/76,711.59 = 31,060.15/x
  3. Step 3: Cross multiply
    55,589.14x = 76,711.59 × 31,060.15
  4. Step 4: Simplify right side
    55,589.14x = 2,382,673,108.58
  5. Step 5: Solve for x
    x = 2,382,673,108.58/55,589.14
  6. Step 6: Final answer
    x = 42,862.21

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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.