Home / 88,979.46-122,779.50-53,161.86

Finding the Fourth Proportional to 88,979.46, 122,779.50 and 53,161.86

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Solution

The fourth proportional to 88,979.46, 122,779.50 and 53,161.86 is: 73,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,979.46 : 122,779.50 = 53,161.86 : x
  2. Step 2: Convert to fraction form
    88,979.46/122,779.50 = 53,161.86/x
  3. Step 3: Cross multiply
    88,979.46x = 122,779.50 × 53,161.86
  4. Step 4: Simplify right side
    88,979.46x = 6,527,186,589.87
  5. Step 5: Solve for x
    x = 6,527,186,589.87/88,979.46
  6. Step 6: Final answer
    x = 73,356.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.