Home / 81,008.24-111,794.04-47,014.16

Finding the Fourth Proportional to 81,008.24, 111,794.04 and 47,014.16

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Solution

The fourth proportional to 81,008.24, 111,794.04 and 47,014.16 is: 64,881.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,008.24 : 111,794.04 = 47,014.16 : x
  2. Step 2: Convert to fraction form
    81,008.24/111,794.04 = 47,014.16/x
  3. Step 3: Cross multiply
    81,008.24x = 111,794.04 × 47,014.16
  4. Step 4: Simplify right side
    81,008.24x = 5,255,902,883.61
  5. Step 5: Solve for x
    x = 5,255,902,883.61/81,008.24
  6. Step 6: Final answer
    x = 64,881.09

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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.