Home / 75,437.29-104,105.19-41,447.90

Finding the Fourth Proportional to 75,437.29, 104,105.19 and 41,447.90

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Solution

The fourth proportional to 75,437.29, 104,105.19 and 41,447.90 is: 57,199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,437.29 : 104,105.19 = 41,447.90 : x
  2. Step 2: Convert to fraction form
    75,437.29/104,105.19 = 41,447.90/x
  3. Step 3: Cross multiply
    75,437.29x = 104,105.19 × 41,447.90
  4. Step 4: Simplify right side
    75,437.29x = 4,314,941,139.50
  5. Step 5: Solve for x
    x = 4,314,941,139.50/75,437.29
  6. Step 6: Final answer
    x = 57,199.05

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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.