Home / 75,364.26-103,891.65-57,428.16

Finding the Fourth Proportional to 75,364.26, 103,891.65 and 57,428.16

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Solution

The fourth proportional to 75,364.26, 103,891.65 and 57,428.16 is: 79,166.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,364.26 : 103,891.65 = 57,428.16 : x
  2. Step 2: Convert to fraction form
    75,364.26/103,891.65 = 57,428.16/x
  3. Step 3: Cross multiply
    75,364.26x = 103,891.65 × 57,428.16
  4. Step 4: Simplify right side
    75,364.26x = 5,966,306,298.86
  5. Step 5: Solve for x
    x = 5,966,306,298.86/75,364.26
  6. Step 6: Final answer
    x = 79,166.26

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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.