Home / 55,725.84-76,902.48-31,854.06

Finding the Fourth Proportional to 55,725.84, 76,902.48 and 31,854.06

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Solution

The fourth proportional to 55,725.84, 76,902.48 and 31,854.06 is: 43,959.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,725.84 : 76,902.48 = 31,854.06 : x
  2. Step 2: Convert to fraction form
    55,725.84/76,902.48 = 31,854.06/x
  3. Step 3: Cross multiply
    55,725.84x = 76,902.48 × 31,854.06
  4. Step 4: Simplify right side
    55,725.84x = 2,449,656,212.07
  5. Step 5: Solve for x
    x = 2,449,656,212.07/55,725.84
  6. Step 6: Final answer
    x = 43,959.07

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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.