Home / 83,888.74-115,771.44-48,081.06

Finding the Fourth Proportional to 83,888.74, 115,771.44 and 48,081.06

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Solution

The fourth proportional to 83,888.74, 115,771.44 and 48,081.06 is: 66,354.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,888.74 : 115,771.44 = 48,081.06 : x
  2. Step 2: Convert to fraction form
    83,888.74/115,771.44 = 48,081.06/x
  3. Step 3: Cross multiply
    83,888.74x = 115,771.44 × 48,081.06
  4. Step 4: Simplify right side
    83,888.74x = 5,566,413,462.77
  5. Step 5: Solve for x
    x = 5,566,413,462.77/83,888.74
  6. Step 6: Final answer
    x = 66,354.72

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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.