Home / 52,136.06-78,192.11-31,082.06

Finding the Fourth Proportional to 52,136.06, 78,192.11 and 31,082.06

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Solution

The fourth proportional to 52,136.06, 78,192.11 and 31,082.06 is: 46,615.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,136.06 : 78,192.11 = 31,082.06 : x
  2. Step 2: Convert to fraction form
    52,136.06/78,192.11 = 31,082.06/x
  3. Step 3: Cross multiply
    52,136.06x = 78,192.11 × 31,082.06
  4. Step 4: Simplify right side
    52,136.06x = 2,430,371,854.55
  5. Step 5: Solve for x
    x = 2,430,371,854.55/52,136.06
  6. Step 6: Final answer
    x = 46,615.95

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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.