Home / 80,885.17-121,328.05-24,725.06

Finding the Fourth Proportional to 80,885.17, 121,328.05 and 24,725.06

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Solution

The fourth proportional to 80,885.17, 121,328.05 and 24,725.06 is: 37,087.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,885.17 : 121,328.05 = 24,725.06 : x
  2. Step 2: Convert to fraction form
    80,885.17/121,328.05 = 24,725.06/x
  3. Step 3: Cross multiply
    80,885.17x = 121,328.05 × 24,725.06
  4. Step 4: Simplify right side
    80,885.17x = 2,999,843,315.93
  5. Step 5: Solve for x
    x = 2,999,843,315.93/80,885.17
  6. Step 6: Final answer
    x = 37,087.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.