Home / 71,244.15-98,316.50-39,412.37

Finding the Fourth Proportional to 71,244.15, 98,316.50 and 39,412.37

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Solution

The fourth proportional to 71,244.15, 98,316.50 and 39,412.37 is: 54,388.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,244.15 : 98,316.50 = 39,412.37 : x
  2. Step 2: Convert to fraction form
    71,244.15/98,316.50 = 39,412.37/x
  3. Step 3: Cross multiply
    71,244.15x = 98,316.50 × 39,412.37
  4. Step 4: Simplify right side
    71,244.15x = 3,874,885,586.46
  5. Step 5: Solve for x
    x = 3,874,885,586.46/71,244.15
  6. Step 6: Final answer
    x = 54,388.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.