Home / 87,716.65-121,062.62-57,589.35

Finding the Fourth Proportional to 87,716.65, 121,062.62 and 57,589.35

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Solution

The fourth proportional to 87,716.65, 121,062.62 and 57,589.35 is: 79,482.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,716.65 : 121,062.62 = 57,589.35 : x
  2. Step 2: Convert to fraction form
    87,716.65/121,062.62 = 57,589.35/x
  3. Step 3: Cross multiply
    87,716.65x = 121,062.62 × 57,589.35
  4. Step 4: Simplify right side
    87,716.65x = 6,971,917,307.15
  5. Step 5: Solve for x
    x = 6,971,917,307.15/87,716.65
  6. Step 6: Final answer
    x = 79,482.26

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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.