Home / 97,696.12-134,847.16-57,422.82

Finding the Fourth Proportional to 97,696.12, 134,847.16 and 57,422.82

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Solution

The fourth proportional to 97,696.12, 134,847.16 and 57,422.82 is: 79,259.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,696.12 : 134,847.16 = 57,422.82 : x
  2. Step 2: Convert to fraction form
    97,696.12/134,847.16 = 57,422.82/x
  3. Step 3: Cross multiply
    97,696.12x = 134,847.16 × 57,422.82
  4. Step 4: Simplify right side
    97,696.12x = 7,743,304,196.19
  5. Step 5: Solve for x
    x = 7,743,304,196.19/97,696.12
  6. Step 6: Final answer
    x = 79,259.08

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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.