Home / 212,624.97-318,999.76-62,869.16

Finding the Fourth Proportional to 212,624.97, 318,999.76 and 62,869.16

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Solution

The fourth proportional to 212,624.97, 318,999.76 and 62,869.16 is: 94,322.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,624.97 : 318,999.76 = 62,869.16 : x
  2. Step 2: Convert to fraction form
    212,624.97/318,999.76 = 62,869.16/x
  3. Step 3: Cross multiply
    212,624.97x = 318,999.76 × 62,869.16
  4. Step 4: Simplify right side
    212,624.97x = 20,055,247,503.32
  5. Step 5: Solve for x
    x = 20,055,247,503.32/212,624.97
  6. Step 6: Final answer
    x = 94,322.16

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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.