Home / 86,030.40-118,701.18-50,199.96

Finding the Fourth Proportional to 86,030.40, 118,701.18 and 50,199.96

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Solution

The fourth proportional to 86,030.40, 118,701.18 and 50,199.96 is: 69,263.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,030.40 : 118,701.18 = 50,199.96 : x
  2. Step 2: Convert to fraction form
    86,030.40/118,701.18 = 50,199.96/x
  3. Step 3: Cross multiply
    86,030.40x = 118,701.18 × 50,199.96
  4. Step 4: Simplify right side
    86,030.40x = 5,958,794,487.95
  5. Step 5: Solve for x
    x = 5,958,794,487.95/86,030.40
  6. Step 6: Final answer
    x = 69,263.82

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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.