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Finding the Fourth Proportional to 86,645.76, 119,573.44 and 48,920.32

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Solution

The fourth proportional to 86,645.76, 119,573.44 and 48,920.32 is: 67,511.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,645.76 : 119,573.44 = 48,920.32 : x
  2. Step 2: Convert to fraction form
    86,645.76/119,573.44 = 48,920.32/x
  3. Step 3: Cross multiply
    86,645.76x = 119,573.44 × 48,920.32
  4. Step 4: Simplify right side
    86,645.76x = 5,849,570,948.30
  5. Step 5: Solve for x
    x = 5,849,570,948.30/86,645.76
  6. Step 6: Final answer
    x = 67,511.34

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