Home / 103,357.35-142,655.38-63,062.48

Finding the Fourth Proportional to 103,357.35, 142,655.38 and 63,062.48

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Solution

The fourth proportional to 103,357.35, 142,655.38 and 63,062.48 is: 87,039.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,357.35 : 142,655.38 = 63,062.48 : x
  2. Step 2: Convert to fraction form
    103,357.35/142,655.38 = 63,062.48/x
  3. Step 3: Cross multiply
    103,357.35x = 142,655.38 × 63,062.48
  4. Step 4: Simplify right side
    103,357.35x = 8,996,202,247.12
  5. Step 5: Solve for x
    x = 8,996,202,247.12/103,357.35
  6. Step 6: Final answer
    x = 87,039.79

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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.