Home / 89,565.48-134,016.80-54,047.40

Finding the Fourth Proportional to 89,565.48, 134,016.80 and 54,047.40

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Solution

The fourth proportional to 89,565.48, 134,016.80 and 54,047.40 is: 80,871.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,565.48 : 134,016.80 = 54,047.40 : x
  2. Step 2: Convert to fraction form
    89,565.48/134,016.80 = 54,047.40/x
  3. Step 3: Cross multiply
    89,565.48x = 134,016.80 × 54,047.40
  4. Step 4: Simplify right side
    89,565.48x = 7,243,259,596.32
  5. Step 5: Solve for x
    x = 7,243,259,596.32/89,565.48
  6. Step 6: Final answer
    x = 80,871.11

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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.