Home / 89,346.40-133,833.30-42,001.90

Finding the Fourth Proportional to 89,346.40, 133,833.30 and 42,001.90

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Solution

The fourth proportional to 89,346.40, 133,833.30 and 42,001.90 is: 62,915.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,346.40 : 133,833.30 = 42,001.90 : x
  2. Step 2: Convert to fraction form
    89,346.40/133,833.30 = 42,001.90/x
  3. Step 3: Cross multiply
    89,346.40x = 133,833.30 × 42,001.90
  4. Step 4: Simplify right side
    89,346.40x = 5,621,252,883.27
  5. Step 5: Solve for x
    x = 5,621,252,883.27/89,346.40
  6. Step 6: Final answer
    x = 62,915.27

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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.