Home / 86,754.38-119,727.27-52,756.56

Finding the Fourth Proportional to 86,754.38, 119,727.27 and 52,756.56

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Solution

The fourth proportional to 86,754.38, 119,727.27 and 52,756.56 is: 72,807.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,754.38 : 119,727.27 = 52,756.56 : x
  2. Step 2: Convert to fraction form
    86,754.38/119,727.27 = 52,756.56/x
  3. Step 3: Cross multiply
    86,754.38x = 119,727.27 × 52,756.56
  4. Step 4: Simplify right side
    86,754.38x = 6,316,398,903.39
  5. Step 5: Solve for x
    x = 6,316,398,903.39/86,754.38
  6. Step 6: Final answer
    x = 72,807.84

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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.