Home / 88,861.40-133,119.30-49,347.80

Finding the Fourth Proportional to 88,861.40, 133,119.30 and 49,347.80

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Solution

The fourth proportional to 88,861.40, 133,119.30 and 49,347.80 is: 73,925.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,861.40 : 133,119.30 = 49,347.80 : x
  2. Step 2: Convert to fraction form
    88,861.40/133,119.30 = 49,347.80/x
  3. Step 3: Cross multiply
    88,861.40x = 133,119.30 × 49,347.80
  4. Step 4: Simplify right side
    88,861.40x = 6,569,144,592.54
  5. Step 5: Solve for x
    x = 6,569,144,592.54/88,861.40
  6. Step 6: Final answer
    x = 73,925.74

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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.