Home / 61,067.04-91,481.28-42,088.28

Finding the Fourth Proportional to 61,067.04, 91,481.28 and 42,088.28

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Solution

The fourth proportional to 61,067.04, 91,481.28 and 42,088.28 is: 63,050.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,067.04 : 91,481.28 = 42,088.28 : x
  2. Step 2: Convert to fraction form
    61,067.04/91,481.28 = 42,088.28/x
  3. Step 3: Cross multiply
    61,067.04x = 91,481.28 × 42,088.28
  4. Step 4: Simplify right side
    61,067.04x = 3,850,289,727.40
  5. Step 5: Solve for x
    x = 3,850,289,727.40/61,067.04
  6. Step 6: Final answer
    x = 63,050.21

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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.