Home / 61,557.27-84,988.57-38,618.54

Finding the Fourth Proportional to 61,557.27, 84,988.57 and 38,618.54

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Solution

The fourth proportional to 61,557.27, 84,988.57 and 38,618.54 is: 53,318.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,557.27 : 84,988.57 = 38,618.54 : x
  2. Step 2: Convert to fraction form
    61,557.27/84,988.57 = 38,618.54/x
  3. Step 3: Cross multiply
    61,557.27x = 84,988.57 × 38,618.54
  4. Step 4: Simplify right side
    61,557.27x = 3,282,134,490.09
  5. Step 5: Solve for x
    x = 3,282,134,490.09/61,557.27
  6. Step 6: Final answer
    x = 53,318.39

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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.