Home / 101,852.72-140,528.04-66,044.24

Finding the Fourth Proportional to 101,852.72, 140,528.04 and 66,044.24

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Solution

The fourth proportional to 101,852.72, 140,528.04 and 66,044.24 is: 91,122.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,852.72 : 140,528.04 = 66,044.24 : x
  2. Step 2: Convert to fraction form
    101,852.72/140,528.04 = 66,044.24/x
  3. Step 3: Cross multiply
    101,852.72x = 140,528.04 × 66,044.24
  4. Step 4: Simplify right side
    101,852.72x = 9,281,067,600.49
  5. Step 5: Solve for x
    x = 9,281,067,600.49/101,852.72
  6. Step 6: Final answer
    x = 91,122.43

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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.