Home / 88,620.82-122,316.58-56,349.20

Finding the Fourth Proportional to 88,620.82, 122,316.58 and 56,349.20

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Solution

The fourth proportional to 88,620.82, 122,316.58 and 56,349.20 is: 77,774.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,620.82 : 122,316.58 = 56,349.20 : x
  2. Step 2: Convert to fraction form
    88,620.82/122,316.58 = 56,349.20/x
  3. Step 3: Cross multiply
    88,620.82x = 122,316.58 × 56,349.20
  4. Step 4: Simplify right side
    88,620.82x = 6,892,441,805.96
  5. Step 5: Solve for x
    x = 6,892,441,805.96/88,620.82
  6. Step 6: Final answer
    x = 77,774.52

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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.