Home / 65,977.40-98,976.90-36,423.74

Finding the Fourth Proportional to 65,977.40, 98,976.90 and 36,423.74

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Solution

The fourth proportional to 65,977.40, 98,976.90 and 36,423.74 is: 54,641.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,977.40 : 98,976.90 = 36,423.74 : x
  2. Step 2: Convert to fraction form
    65,977.40/98,976.90 = 36,423.74/x
  3. Step 3: Cross multiply
    65,977.40x = 98,976.90 × 36,423.74
  4. Step 4: Simplify right side
    65,977.40x = 3,605,108,871.61
  5. Step 5: Solve for x
    x = 3,605,108,871.61/65,977.40
  6. Step 6: Final answer
    x = 54,641.57

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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.