Home / 97,766.86-134,901.84-56,939.62

Finding the Fourth Proportional to 97,766.86, 134,901.84 and 56,939.62

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Solution

The fourth proportional to 97,766.86, 134,901.84 and 56,939.62 is: 78,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,766.86 : 134,901.84 = 56,939.62 : x
  2. Step 2: Convert to fraction form
    97,766.86/134,901.84 = 56,939.62/x
  3. Step 3: Cross multiply
    97,766.86x = 134,901.84 × 56,939.62
  4. Step 4: Simplify right side
    97,766.86x = 7,681,259,506.90
  5. Step 5: Solve for x
    x = 7,681,259,506.90/97,766.86
  6. Step 6: Final answer
    x = 78,567.11

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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.