Home / 75,146.19-103,700.48-41,611.47

Finding the Fourth Proportional to 75,146.19, 103,700.48 and 41,611.47

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Solution

The fourth proportional to 75,146.19, 103,700.48 and 41,611.47 is: 57,423.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,146.19 : 103,700.48 = 41,611.47 : x
  2. Step 2: Convert to fraction form
    75,146.19/103,700.48 = 41,611.47/x
  3. Step 3: Cross multiply
    75,146.19x = 103,700.48 × 41,611.47
  4. Step 4: Simplify right side
    75,146.19x = 4,315,129,204.45
  5. Step 5: Solve for x
    x = 4,315,129,204.45/75,146.19
  6. Step 6: Final answer
    x = 57,423.13

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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.