Home / 86,710.68-119,663.46-48,987.36

Finding the Fourth Proportional to 86,710.68, 119,663.46 and 48,987.36

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Solution

The fourth proportional to 86,710.68, 119,663.46 and 48,987.36 is: 67,604.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,710.68 : 119,663.46 = 48,987.36 : x
  2. Step 2: Convert to fraction form
    86,710.68/119,663.46 = 48,987.36/x
  3. Step 3: Cross multiply
    86,710.68x = 119,663.46 × 48,987.36
  4. Step 4: Simplify right side
    86,710.68x = 5,861,996,993.87
  5. Step 5: Solve for x
    x = 5,861,996,993.87/86,710.68
  6. Step 6: Final answer
    x = 67,604.09

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1.5x scale

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.