Home / 52,307.67-72,179.19-31,082.85

Finding the Fourth Proportional to 52,307.67, 72,179.19 and 31,082.85

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Solution

The fourth proportional to 52,307.67, 72,179.19 and 31,082.85 is: 42,891.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,307.67 : 72,179.19 = 31,082.85 : x
  2. Step 2: Convert to fraction form
    52,307.67/72,179.19 = 31,082.85/x
  3. Step 3: Cross multiply
    52,307.67x = 72,179.19 × 31,082.85
  4. Step 4: Simplify right side
    52,307.67x = 2,243,534,935.89
  5. Step 5: Solve for x
    x = 2,243,534,935.89/52,307.67
  6. Step 6: Final answer
    x = 42,891.13

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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.