Home / 55,283.52-75,680.88-54,888.24

Finding the Fourth Proportional to 55,283.52, 75,680.88 and 54,888.24

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Solution

The fourth proportional to 55,283.52, 75,680.88 and 54,888.24 is: 75,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,283.52 : 75,680.88 = 54,888.24 : x
  2. Step 2: Convert to fraction form
    55,283.52/75,680.88 = 54,888.24/x
  3. Step 3: Cross multiply
    55,283.52x = 75,680.88 × 54,888.24
  4. Step 4: Simplify right side
    55,283.52x = 4,153,990,304.85
  5. Step 5: Solve for x
    x = 4,153,990,304.85/55,283.52
  6. Step 6: Final answer
    x = 75,139.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.