Home / 81,180.31-112,024.68-45,363.34

Finding the Fourth Proportional to 81,180.31, 112,024.68 and 45,363.34

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Solution

The fourth proportional to 81,180.31, 112,024.68 and 45,363.34 is: 62,599.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,180.31 : 112,024.68 = 45,363.34 : x
  2. Step 2: Convert to fraction form
    81,180.31/112,024.68 = 45,363.34/x
  3. Step 3: Cross multiply
    81,180.31x = 112,024.68 × 45,363.34
  4. Step 4: Simplify right side
    81,180.31x = 5,081,813,647.23
  5. Step 5: Solve for x
    x = 5,081,813,647.23/81,180.31
  6. Step 6: Final answer
    x = 62,599.09

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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.