Home / 88,456.32-122,036.22-56,620.08

Finding the Fourth Proportional to 88,456.32, 122,036.22 and 56,620.08

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Solution

The fourth proportional to 88,456.32, 122,036.22 and 56,620.08 is: 78,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,456.32 : 122,036.22 = 56,620.08 : x
  2. Step 2: Convert to fraction form
    88,456.32/122,036.22 = 56,620.08/x
  3. Step 3: Cross multiply
    88,456.32x = 122,036.22 × 56,620.08
  4. Step 4: Simplify right side
    88,456.32x = 6,909,700,539.30
  5. Step 5: Solve for x
    x = 6,909,700,539.30/88,456.32
  6. Step 6: Final answer
    x = 78,114.27

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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.