Home / 65,315.16-97,890.77-35,328.20

Finding the Fourth Proportional to 65,315.16, 97,890.77 and 35,328.20

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Solution

The fourth proportional to 65,315.16, 97,890.77 and 35,328.20 is: 52,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,315.16 : 97,890.77 = 35,328.20 : x
  2. Step 2: Convert to fraction form
    65,315.16/97,890.77 = 35,328.20/x
  3. Step 3: Cross multiply
    65,315.16x = 97,890.77 × 35,328.20
  4. Step 4: Simplify right side
    65,315.16x = 3,458,304,034.62
  5. Step 5: Solve for x
    x = 3,458,304,034.62/65,315.16
  6. Step 6: Final answer
    x = 52,947.95

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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.