Home / 95,065.78-142,607.32-28,503.22

Finding the Fourth Proportional to 95,065.78, 142,607.32 and 28,503.22

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Solution

The fourth proportional to 95,065.78, 142,607.32 and 28,503.22 is: 42,757.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,065.78 : 142,607.32 = 28,503.22 : x
  2. Step 2: Convert to fraction form
    95,065.78/142,607.32 = 28,503.22/x
  3. Step 3: Cross multiply
    95,065.78x = 142,607.32 × 28,503.22
  4. Step 4: Simplify right side
    95,065.78x = 4,064,767,815.57
  5. Step 5: Solve for x
    x = 4,064,767,815.57/95,065.78
  6. Step 6: Final answer
    x = 42,757.42

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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.