Home / 69,860.77-96,407.38-38,029.59

Finding the Fourth Proportional to 69,860.77, 96,407.38 and 38,029.59

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Solution

The fourth proportional to 69,860.77, 96,407.38 and 38,029.59 is: 52,480.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,860.77 : 96,407.38 = 38,029.59 : x
  2. Step 2: Convert to fraction form
    69,860.77/96,407.38 = 38,029.59/x
  3. Step 3: Cross multiply
    69,860.77x = 96,407.38 × 38,029.59
  4. Step 4: Simplify right side
    69,860.77x = 3,666,333,134.37
  5. Step 5: Solve for x
    x = 3,666,333,134.37/69,860.77
  6. Step 6: Final answer
    x = 52,480.57

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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.