Home / 86,933.72-119,971.49-48,694.91

Finding the Fourth Proportional to 86,933.72, 119,971.49 and 48,694.91

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Solution

The fourth proportional to 86,933.72, 119,971.49 and 48,694.91 is: 67,200.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,933.72 : 119,971.49 = 48,694.91 : x
  2. Step 2: Convert to fraction form
    86,933.72/119,971.49 = 48,694.91/x
  3. Step 3: Cross multiply
    86,933.72x = 119,971.49 × 48,694.91
  4. Step 4: Simplify right side
    86,933.72x = 5,842,000,908.12
  5. Step 5: Solve for x
    x = 5,842,000,908.12/86,933.72
  6. Step 6: Final answer
    x = 67,200.63

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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.