Home / 75,312.41-103,932.18-41,320.28

Finding the Fourth Proportional to 75,312.41, 103,932.18 and 41,320.28

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Solution

The fourth proportional to 75,312.41, 103,932.18 and 41,320.28 is: 57,022.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,312.41 : 103,932.18 = 41,320.28 : x
  2. Step 2: Convert to fraction form
    75,312.41/103,932.18 = 41,320.28/x
  3. Step 3: Cross multiply
    75,312.41x = 103,932.18 × 41,320.28
  4. Step 4: Simplify right side
    75,312.41x = 4,294,506,258.95
  5. Step 5: Solve for x
    x = 4,294,506,258.95/75,312.41
  6. Step 6: Final answer
    x = 57,022.56

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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.