Home / 55,124.20-76,065.06-31,246.12

Finding the Fourth Proportional to 55,124.20, 76,065.06 and 31,246.12

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Solution

The fourth proportional to 55,124.20, 76,065.06 and 31,246.12 is: 43,116.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,124.20 : 76,065.06 = 31,246.12 : x
  2. Step 2: Convert to fraction form
    55,124.20/76,065.06 = 31,246.12/x
  3. Step 3: Cross multiply
    55,124.20x = 76,065.06 × 31,246.12
  4. Step 4: Simplify right side
    55,124.20x = 2,376,737,992.57
  5. Step 5: Solve for x
    x = 2,376,737,992.57/55,124.20
  6. Step 6: Final answer
    x = 43,116.05

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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.