Home / 86,582.25-119,482.34-48,342.39

Finding the Fourth Proportional to 86,582.25, 119,482.34 and 48,342.39

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Solution

The fourth proportional to 86,582.25, 119,482.34 and 48,342.39 is: 66,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,582.25 : 119,482.34 = 48,342.39 : x
  2. Step 2: Convert to fraction form
    86,582.25/119,482.34 = 48,342.39/x
  3. Step 3: Cross multiply
    86,582.25x = 119,482.34 × 48,342.39
  4. Step 4: Simplify right side
    86,582.25x = 5,776,061,878.39
  5. Step 5: Solve for x
    x = 5,776,061,878.39/86,582.25
  6. Step 6: Final answer
    x = 66,711.85

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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.