Home / 74,917.55-103,389.35-43,086.47

Finding the Fourth Proportional to 74,917.55, 103,389.35 and 43,086.47

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Solution

The fourth proportional to 74,917.55, 103,389.35 and 43,086.47 is: 59,461.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,917.55 : 103,389.35 = 43,086.47 : x
  2. Step 2: Convert to fraction form
    74,917.55/103,389.35 = 43,086.47/x
  3. Step 3: Cross multiply
    74,917.55x = 103,389.35 × 43,086.47
  4. Step 4: Simplify right side
    74,917.55x = 4,454,681,394.72
  5. Step 5: Solve for x
    x = 4,454,681,394.72/74,917.55
  6. Step 6: Final answer
    x = 59,461.12

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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.