Home / 101,767.04-140,346.64-63,530.12

Finding the Fourth Proportional to 101,767.04, 140,346.64 and 63,530.12

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Solution

The fourth proportional to 101,767.04, 140,346.64 and 63,530.12 is: 87,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,767.04 : 140,346.64 = 63,530.12 : x
  2. Step 2: Convert to fraction form
    101,767.04/140,346.64 = 63,530.12/x
  3. Step 3: Cross multiply
    101,767.04x = 140,346.64 × 63,530.12
  4. Step 4: Simplify right side
    101,767.04x = 8,916,238,020.24
  5. Step 5: Solve for x
    x = 8,916,238,020.24/101,767.04
  6. Step 6: Final answer
    x = 87,614.20

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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.