Home / 85,252.32-127,921.68-57,492

Finding the Fourth Proportional to 85,252.32, 127,921.68 and 57,492

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Solution

The fourth proportional to 85,252.32, 127,921.68 and 57,492 is: 86,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,252.32 : 127,921.68 = 57,492 : x
  2. Step 2: Convert to fraction form
    85,252.32/127,921.68 = 57,492/x
  3. Step 3: Cross multiply
    85,252.32x = 127,921.68 × 57,492
  4. Step 4: Simplify right side
    85,252.32x = 7,354,473,226.56
  5. Step 5: Solve for x
    x = 7,354,473,226.56/85,252.32
  6. Step 6: Final answer
    x = 86,267.13

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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.