Home / 75,147.19-103,701.85-41,612.47

Finding the Fourth Proportional to 75,147.19, 103,701.85 and 41,612.47

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Solution

The fourth proportional to 75,147.19, 103,701.85 and 41,612.47 is: 57,424.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,147.19 : 103,701.85 = 41,612.47 : x
  2. Step 2: Convert to fraction form
    75,147.19/103,701.85 = 41,612.47/x
  3. Step 3: Cross multiply
    75,147.19x = 103,701.85 × 41,612.47
  4. Step 4: Simplify right side
    75,147.19x = 4,315,290,122.07
  5. Step 5: Solve for x
    x = 4,315,290,122.07/75,147.19
  6. Step 6: Final answer
    x = 57,424.50

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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.