Home / 86,784.36-119,757.38-48,019.92

Finding the Fourth Proportional to 86,784.36, 119,757.38 and 48,019.92

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Solution

The fourth proportional to 86,784.36, 119,757.38 and 48,019.92 is: 66,264.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,784.36 : 119,757.38 = 48,019.92 : x
  2. Step 2: Convert to fraction form
    86,784.36/119,757.38 = 48,019.92/x
  3. Step 3: Cross multiply
    86,784.36x = 119,757.38 × 48,019.92
  4. Step 4: Simplify right side
    86,784.36x = 5,750,739,807.01
  5. Step 5: Solve for x
    x = 5,750,739,807.01/86,784.36
  6. Step 6: Final answer
    x = 66,264.70

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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.