Home / 55,454.12-76,526.88-30,304.16

Finding the Fourth Proportional to 55,454.12, 76,526.88 and 30,304.16

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Solution

The fourth proportional to 55,454.12, 76,526.88 and 30,304.16 is: 41,819.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,454.12 : 76,526.88 = 30,304.16 : x
  2. Step 2: Convert to fraction form
    55,454.12/76,526.88 = 30,304.16/x
  3. Step 3: Cross multiply
    55,454.12x = 76,526.88 × 30,304.16
  4. Step 4: Simplify right side
    55,454.12x = 2,319,082,815.82
  5. Step 5: Solve for x
    x = 2,319,082,815.82/55,454.12
  6. Step 6: Final answer
    x = 41,819.85

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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.