Home / 57,515.17-86,281.46-18,068.57

Finding the Fourth Proportional to 57,515.17, 86,281.46 and 18,068.57

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Solution

The fourth proportional to 57,515.17, 86,281.46 and 18,068.57 is: 27,105.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,515.17 : 86,281.46 = 18,068.57 : x
  2. Step 2: Convert to fraction form
    57,515.17/86,281.46 = 18,068.57/x
  3. Step 3: Cross multiply
    57,515.17x = 86,281.46 × 18,068.57
  4. Step 4: Simplify right side
    57,515.17x = 1,558,982,599.71
  5. Step 5: Solve for x
    x = 1,558,982,599.71/57,515.17
  6. Step 6: Final answer
    x = 27,105.59

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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.