Home / 61,724.17-85,216.06-39,082.57

Finding the Fourth Proportional to 61,724.17, 85,216.06 and 39,082.57

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Solution

The fourth proportional to 61,724.17, 85,216.06 and 39,082.57 is: 53,957.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,724.17 : 85,216.06 = 39,082.57 : x
  2. Step 2: Convert to fraction form
    61,724.17/85,216.06 = 39,082.57/x
  3. Step 3: Cross multiply
    61,724.17x = 85,216.06 × 39,082.57
  4. Step 4: Simplify right side
    61,724.17x = 3,330,462,630.07
  5. Step 5: Solve for x
    x = 3,330,462,630.07/61,724.17
  6. Step 6: Final answer
    x = 53,957.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.