Home / 75,432.87-104,097.40-41,443.55

Finding the Fourth Proportional to 75,432.87, 104,097.40 and 41,443.55

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Solution

The fourth proportional to 75,432.87, 104,097.40 and 41,443.55 is: 57,192.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,432.87 : 104,097.40 = 41,443.55 : x
  2. Step 2: Convert to fraction form
    75,432.87/104,097.40 = 41,443.55/x
  3. Step 3: Cross multiply
    75,432.87x = 104,097.40 × 41,443.55
  4. Step 4: Simplify right side
    75,432.87x = 4,314,165,801.16
  5. Step 5: Solve for x
    x = 4,314,165,801.16/75,432.87
  6. Step 6: Final answer
    x = 57,192.12

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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.