Home / 100,105.03-138,131.31-59,810.26

Finding the Fourth Proportional to 100,105.03, 138,131.31 and 59,810.26

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Solution

The fourth proportional to 100,105.03, 138,131.31 and 59,810.26 is: 82,530.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,105.03 : 138,131.31 = 59,810.26 : x
  2. Step 2: Convert to fraction form
    100,105.03/138,131.31 = 59,810.26/x
  3. Step 3: Cross multiply
    100,105.03x = 138,131.31 × 59,810.26
  4. Step 4: Simplify right side
    100,105.03x = 8,261,669,565.24
  5. Step 5: Solve for x
    x = 8,261,669,565.24/100,105.03
  6. Step 6: Final answer
    x = 82,530.01

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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.