Home / 65,621.40-98,432.10-36,096.90

Finding the Fourth Proportional to 65,621.40, 98,432.10 and 36,096.90

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Solution

The fourth proportional to 65,621.40, 98,432.10 and 36,096.90 is: 54,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,621.40 : 98,432.10 = 36,096.90 : x
  2. Step 2: Convert to fraction form
    65,621.40/98,432.10 = 36,096.90/x
  3. Step 3: Cross multiply
    65,621.40x = 98,432.10 × 36,096.90
  4. Step 4: Simplify right side
    65,621.40x = 3,553,093,670.49
  5. Step 5: Solve for x
    x = 3,553,093,670.49/65,621.40
  6. Step 6: Final answer
    x = 54,145.35

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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.