Home / 86,694.47-119,605.39-64,087.74

Finding the Fourth Proportional to 86,694.47, 119,605.39 and 64,087.74

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Solution

The fourth proportional to 86,694.47, 119,605.39 and 64,087.74 is: 88,416.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,694.47 : 119,605.39 = 64,087.74 : x
  2. Step 2: Convert to fraction form
    86,694.47/119,605.39 = 64,087.74/x
  3. Step 3: Cross multiply
    86,694.47x = 119,605.39 × 64,087.74
  4. Step 4: Simplify right side
    86,694.47x = 7,665,238,538.89
  5. Step 5: Solve for x
    x = 7,665,238,538.89/86,694.47
  6. Step 6: Final answer
    x = 88,416.70

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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.