Home / 86,069.03-118,772.88-47,827.59

Finding the Fourth Proportional to 86,069.03, 118,772.88 and 47,827.59

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Solution

The fourth proportional to 86,069.03, 118,772.88 and 47,827.59 is: 66,000.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,069.03 : 118,772.88 = 47,827.59 : x
  2. Step 2: Convert to fraction form
    86,069.03/118,772.88 = 47,827.59/x
  3. Step 3: Cross multiply
    86,069.03x = 118,772.88 × 47,827.59
  4. Step 4: Simplify right side
    86,069.03x = 5,680,619,983.01
  5. Step 5: Solve for x
    x = 5,680,619,983.01/86,069.03
  6. Step 6: Final answer
    x = 66,000.75

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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.