Home / 55,930.10-77,166.12-31,727.06

Finding the Fourth Proportional to 55,930.10, 77,166.12 and 31,727.06

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Solution

The fourth proportional to 55,930.10, 77,166.12 and 31,727.06 is: 43,773.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,930.10 : 77,166.12 = 31,727.06 : x
  2. Step 2: Convert to fraction form
    55,930.10/77,166.12 = 31,727.06/x
  3. Step 3: Cross multiply
    55,930.10x = 77,166.12 × 31,727.06
  4. Step 4: Simplify right side
    55,930.10x = 2,448,253,733.38
  5. Step 5: Solve for x
    x = 2,448,253,733.38/55,930.10
  6. Step 6: Final answer
    x = 43,773.46

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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.