Home / 87,808.01-121,175.06-47,522.06

Finding the Fourth Proportional to 87,808.01, 121,175.06 and 47,522.06

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Solution

The fourth proportional to 87,808.01, 121,175.06 and 47,522.06 is: 65,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,808.01 : 121,175.06 = 47,522.06 : x
  2. Step 2: Convert to fraction form
    87,808.01/121,175.06 = 47,522.06/x
  3. Step 3: Cross multiply
    87,808.01x = 121,175.06 × 47,522.06
  4. Step 4: Simplify right side
    87,808.01x = 5,758,488,471.82
  5. Step 5: Solve for x
    x = 5,758,488,471.82/87,808.01
  6. Step 6: Final answer
    x = 65,580.45

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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.