Home / 84,020.08-126,606.28-69,553.60

Finding the Fourth Proportional to 84,020.08, 126,606.28 and 69,553.60

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Solution

The fourth proportional to 84,020.08, 126,606.28 and 69,553.60 is: 104,807.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,020.08 : 126,606.28 = 69,553.60 : x
  2. Step 2: Convert to fraction form
    84,020.08/126,606.28 = 69,553.60/x
  3. Step 3: Cross multiply
    84,020.08x = 126,606.28 × 69,553.60
  4. Step 4: Simplify right side
    84,020.08x = 8,805,922,556.61
  5. Step 5: Solve for x
    x = 8,805,922,556.61/84,020.08
  6. Step 6: Final answer
    x = 104,807.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.