Home / 86,269.76-119,051.36-48,028.72

Finding the Fourth Proportional to 86,269.76, 119,051.36 and 48,028.72

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Solution

The fourth proportional to 86,269.76, 119,051.36 and 48,028.72 is: 66,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,269.76 : 119,051.36 = 48,028.72 : x
  2. Step 2: Convert to fraction form
    86,269.76/119,051.36 = 48,028.72/x
  3. Step 3: Cross multiply
    86,269.76x = 119,051.36 × 48,028.72
  4. Step 4: Simplify right side
    86,269.76x = 5,717,884,435.06
  5. Step 5: Solve for x
    x = 5,717,884,435.06/86,269.76
  6. Step 6: Final answer
    x = 66,279.13

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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.