Home / 65,821.04-98,945.40-52,815.68

Finding the Fourth Proportional to 65,821.04, 98,945.40 and 52,815.68

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Solution

The fourth proportional to 65,821.04, 98,945.40 and 52,815.68 is: 79,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,821.04 : 98,945.40 = 52,815.68 : x
  2. Step 2: Convert to fraction form
    65,821.04/98,945.40 = 52,815.68/x
  3. Step 3: Cross multiply
    65,821.04x = 98,945.40 × 52,815.68
  4. Step 4: Simplify right side
    65,821.04x = 5,225,868,583.87
  5. Step 5: Solve for x
    x = 5,225,868,583.87/65,821.04
  6. Step 6: Final answer
    x = 79,395.11

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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.