Home / 75,470.27-113,155.73-42,239.39

Finding the Fourth Proportional to 75,470.27, 113,155.73 and 42,239.39

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Solution

The fourth proportional to 75,470.27, 113,155.73 and 42,239.39 is: 63,331.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,470.27 : 113,155.73 = 42,239.39 : x
  2. Step 2: Convert to fraction form
    75,470.27/113,155.73 = 42,239.39/x
  3. Step 3: Cross multiply
    75,470.27x = 113,155.73 × 42,239.39
  4. Step 4: Simplify right side
    75,470.27x = 4,779,628,799.01
  5. Step 5: Solve for x
    x = 4,779,628,799.01/75,470.27
  6. Step 6: Final answer
    x = 63,331.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.