Home / 74,320.32-111,490.32-39,261.36

Finding the Fourth Proportional to 74,320.32, 111,490.32 and 39,261.36

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Solution

The fourth proportional to 74,320.32, 111,490.32 and 39,261.36 is: 58,897.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,320.32 : 111,490.32 = 39,261.36 : x
  2. Step 2: Convert to fraction form
    74,320.32/111,490.32 = 39,261.36/x
  3. Step 3: Cross multiply
    74,320.32x = 111,490.32 × 39,261.36
  4. Step 4: Simplify right side
    74,320.32x = 4,377,261,590.04
  5. Step 5: Solve for x
    x = 4,377,261,590.04/74,320.32
  6. Step 6: Final answer
    x = 58,897.24

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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.