Home / 86,492.30-129,787.06-47,052.18

Finding the Fourth Proportional to 86,492.30, 129,787.06 and 47,052.18

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Solution

The fourth proportional to 86,492.30, 129,787.06 and 47,052.18 is: 70,604.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,492.30 : 129,787.06 = 47,052.18 : x
  2. Step 2: Convert to fraction form
    86,492.30/129,787.06 = 47,052.18/x
  3. Step 3: Cross multiply
    86,492.30x = 129,787.06 × 47,052.18
  4. Step 4: Simplify right side
    86,492.30x = 6,106,764,108.79
  5. Step 5: Solve for x
    x = 6,106,764,108.79/86,492.30
  6. Step 6: Final answer
    x = 70,604.71

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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.