Home / 86,874.08-119,897.52-48,648.18

Finding the Fourth Proportional to 86,874.08, 119,897.52 and 48,648.18

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Solution

The fourth proportional to 86,874.08, 119,897.52 and 48,648.18 is: 67,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,874.08 : 119,897.52 = 48,648.18 : x
  2. Step 2: Convert to fraction form
    86,874.08/119,897.52 = 48,648.18/x
  3. Step 3: Cross multiply
    86,874.08x = 119,897.52 × 48,648.18
  4. Step 4: Simplify right side
    86,874.08x = 5,832,796,134.51
  5. Step 5: Solve for x
    x = 5,832,796,134.51/86,874.08
  6. Step 6: Final answer
    x = 67,140.81

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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.