Home / 86,489.03-119,352.15-50,702.88

Finding the Fourth Proportional to 86,489.03, 119,352.15 and 50,702.88

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Solution

The fourth proportional to 86,489.03, 119,352.15 and 50,702.88 is: 69,968.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,489.03 : 119,352.15 = 50,702.88 : x
  2. Step 2: Convert to fraction form
    86,489.03/119,352.15 = 50,702.88/x
  3. Step 3: Cross multiply
    86,489.03x = 119,352.15 × 50,702.88
  4. Step 4: Simplify right side
    86,489.03x = 6,051,497,515.41
  5. Step 5: Solve for x
    x = 6,051,497,515.41/86,489.03
  6. Step 6: Final answer
    x = 69,968.38

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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.