Home / 86,731.25-119,689.33-48,492.17

Finding the Fourth Proportional to 86,731.25, 119,689.33 and 48,492.17

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Solution

The fourth proportional to 86,731.25, 119,689.33 and 48,492.17 is: 66,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,731.25 : 119,689.33 = 48,492.17 : x
  2. Step 2: Convert to fraction form
    86,731.25/119,689.33 = 48,492.17/x
  3. Step 3: Cross multiply
    86,731.25x = 119,689.33 × 48,492.17
  4. Step 4: Simplify right side
    86,731.25x = 5,803,994,617.87
  5. Step 5: Solve for x
    x = 5,803,994,617.87/86,731.25
  6. Step 6: Final answer
    x = 66,919.30

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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.