Home / 69,825.13-96,342.28-39,603.49

Finding the Fourth Proportional to 69,825.13, 96,342.28 and 39,603.49

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Solution

The fourth proportional to 69,825.13, 96,342.28 and 39,603.49 is: 54,643.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,825.13 : 96,342.28 = 39,603.49 : x
  2. Step 2: Convert to fraction form
    69,825.13/96,342.28 = 39,603.49/x
  3. Step 3: Cross multiply
    69,825.13x = 96,342.28 × 39,603.49
  4. Step 4: Simplify right side
    69,825.13x = 3,815,490,522.56
  5. Step 5: Solve for x
    x = 3,815,490,522.56/69,825.13
  6. Step 6: Final answer
    x = 54,643.51

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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.