Home / 89,923.12-134,871.89-36,638.35

Finding the Fourth Proportional to 89,923.12, 134,871.89 and 36,638.35

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Solution

The fourth proportional to 89,923.12, 134,871.89 and 36,638.35 is: 54,952.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,923.12 : 134,871.89 = 36,638.35 : x
  2. Step 2: Convert to fraction form
    89,923.12/134,871.89 = 36,638.35/x
  3. Step 3: Cross multiply
    89,923.12x = 134,871.89 × 36,638.35
  4. Step 4: Simplify right side
    89,923.12x = 4,941,482,990.61
  5. Step 5: Solve for x
    x = 4,941,482,990.61/89,923.12
  6. Step 6: Final answer
    x = 54,952.31

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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.