Home / 75,320.12-103,938.30-41,327.86

Finding the Fourth Proportional to 75,320.12, 103,938.30 and 41,327.86

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Solution

The fourth proportional to 75,320.12, 103,938.30 and 41,327.86 is: 57,030.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,320.12 : 103,938.30 = 41,327.86 : x
  2. Step 2: Convert to fraction form
    75,320.12/103,938.30 = 41,327.86/x
  3. Step 3: Cross multiply
    75,320.12x = 103,938.30 × 41,327.86
  4. Step 4: Simplify right side
    75,320.12x = 4,295,547,511.04
  5. Step 5: Solve for x
    x = 4,295,547,511.04/75,320.12
  6. Step 6: Final answer
    x = 57,030.55

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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.