Home / 75,289.60-103,899.81-41,298.40

Finding the Fourth Proportional to 75,289.60, 103,899.81 and 41,298.40

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Solution

The fourth proportional to 75,289.60, 103,899.81 and 41,298.40 is: 56,991.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,289.60 : 103,899.81 = 41,298.40 : x
  2. Step 2: Convert to fraction form
    75,289.60/103,899.81 = 41,298.40/x
  3. Step 3: Cross multiply
    75,289.60x = 103,899.81 × 41,298.40
  4. Step 4: Simplify right side
    75,289.60x = 4,290,895,913.30
  5. Step 5: Solve for x
    x = 4,290,895,913.30/75,289.60
  6. Step 6: Final answer
    x = 56,991.88

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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.