Home / 76,538.88-105,603.84-44,703.36

Finding the Fourth Proportional to 76,538.88, 105,603.84 and 44,703.36

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Solution

The fourth proportional to 76,538.88, 105,603.84 and 44,703.36 is: 61,679.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,538.88 : 105,603.84 = 44,703.36 : x
  2. Step 2: Convert to fraction form
    76,538.88/105,603.84 = 44,703.36/x
  3. Step 3: Cross multiply
    76,538.88x = 105,603.84 × 44,703.36
  4. Step 4: Simplify right side
    76,538.88x = 4,720,846,476.90
  5. Step 5: Solve for x
    x = 4,720,846,476.90/76,538.88
  6. Step 6: Final answer
    x = 61,679.06

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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.