Home / 65,237.13-97,824.11-31,918.19

Finding the Fourth Proportional to 65,237.13, 97,824.11 and 31,918.19

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Solution

The fourth proportional to 65,237.13, 97,824.11 and 31,918.19 is: 47,861.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,237.13 : 97,824.11 = 31,918.19 : x
  2. Step 2: Convert to fraction form
    65,237.13/97,824.11 = 31,918.19/x
  3. Step 3: Cross multiply
    65,237.13x = 97,824.11 × 31,918.19
  4. Step 4: Simplify right side
    65,237.13x = 3,122,367,880.85
  5. Step 5: Solve for x
    x = 3,122,367,880.85/65,237.13
  6. Step 6: Final answer
    x = 47,861.82

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1.5x scale

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.