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Finding the Fourth Proportional to 61,358.61, 84,716.82 and 46,993.06

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Solution

The fourth proportional to 61,358.61, 84,716.82 and 46,993.06 is: 64,882.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,358.61 : 84,716.82 = 46,993.06 : x
  2. Step 2: Convert to fraction form
    61,358.61/84,716.82 = 46,993.06/x
  3. Step 3: Cross multiply
    61,358.61x = 84,716.82 × 46,993.06
  4. Step 4: Simplify right side
    61,358.61x = 3,981,102,605.27
  5. Step 5: Solve for x
    x = 3,981,102,605.27/61,358.61
  6. Step 6: Final answer
    x = 64,882.54

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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.