Home / 55,251.48-76,225.51-31,374.91

Finding the Fourth Proportional to 55,251.48, 76,225.51 and 31,374.91

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Solution

The fourth proportional to 55,251.48, 76,225.51 and 31,374.91 is: 43,285.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,251.48 : 76,225.51 = 31,374.91 : x
  2. Step 2: Convert to fraction form
    55,251.48/76,225.51 = 31,374.91/x
  3. Step 3: Cross multiply
    55,251.48x = 76,225.51 × 31,374.91
  4. Step 4: Simplify right side
    55,251.48x = 2,391,568,473.97
  5. Step 5: Solve for x
    x = 2,391,568,473.97/55,251.48
  6. Step 6: Final answer
    x = 43,285.14

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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.