Home / 86,727.95-119,704.57-56,460.56

Finding the Fourth Proportional to 86,727.95, 119,704.57 and 56,460.56

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Solution

The fourth proportional to 86,727.95, 119,704.57 and 56,460.56 is: 77,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,727.95 : 119,704.57 = 56,460.56 : x
  2. Step 2: Convert to fraction form
    86,727.95/119,704.57 = 56,460.56/x
  3. Step 3: Cross multiply
    86,727.95x = 119,704.57 × 56,460.56
  4. Step 4: Simplify right side
    86,727.95x = 6,758,587,214.87
  5. Step 5: Solve for x
    x = 6,758,587,214.87/86,727.95
  6. Step 6: Final answer
    x = 77,928.60

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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.