Home / 77,710.16-107,257.04-49,410.32

Finding the Fourth Proportional to 77,710.16, 107,257.04 and 49,410.32

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Solution

The fourth proportional to 77,710.16, 107,257.04 and 49,410.32 is: 68,197.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,710.16 : 107,257.04 = 49,410.32 : x
  2. Step 2: Convert to fraction form
    77,710.16/107,257.04 = 49,410.32/x
  3. Step 3: Cross multiply
    77,710.16x = 107,257.04 × 49,410.32
  4. Step 4: Simplify right side
    77,710.16x = 5,299,604,668.65
  5. Step 5: Solve for x
    x = 5,299,604,668.65/77,710.16
  6. Step 6: Final answer
    x = 68,197.06

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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.