Home / 75,071.12-103,635.65-43,233.87

Finding the Fourth Proportional to 75,071.12, 103,635.65 and 43,233.87

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Solution

The fourth proportional to 75,071.12, 103,635.65 and 43,233.87 is: 59,684.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,071.12 : 103,635.65 = 43,233.87 : x
  2. Step 2: Convert to fraction form
    75,071.12/103,635.65 = 43,233.87/x
  3. Step 3: Cross multiply
    75,071.12x = 103,635.65 × 43,233.87
  4. Step 4: Simplify right side
    75,071.12x = 4,480,570,219.47
  5. Step 5: Solve for x
    x = 4,480,570,219.47/75,071.12
  6. Step 6: Final answer
    x = 59,684.34

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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.