Home / 88,747.86-122,402.80-56,919.18

Finding the Fourth Proportional to 88,747.86, 122,402.80 and 56,919.18

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Solution

The fourth proportional to 88,747.86, 122,402.80 and 56,919.18 is: 78,504.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,747.86 : 122,402.80 = 56,919.18 : x
  2. Step 2: Convert to fraction form
    88,747.86/122,402.80 = 56,919.18/x
  3. Step 3: Cross multiply
    88,747.86x = 122,402.80 × 56,919.18
  4. Step 4: Simplify right side
    88,747.86x = 6,967,067,005.70
  5. Step 5: Solve for x
    x = 6,967,067,005.70/88,747.86
  6. Step 6: Final answer
    x = 78,504.06

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1.5x scale

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.