Home / 86,228.56-118,988.98-48,495.52

Finding the Fourth Proportional to 86,228.56, 118,988.98 and 48,495.52

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Solution

The fourth proportional to 86,228.56, 118,988.98 and 48,495.52 is: 66,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,228.56 : 118,988.98 = 48,495.52 : x
  2. Step 2: Convert to fraction form
    86,228.56/118,988.98 = 48,495.52/x
  3. Step 3: Cross multiply
    86,228.56x = 118,988.98 × 48,495.52
  4. Step 4: Simplify right side
    86,228.56x = 5,770,432,459.37
  5. Step 5: Solve for x
    x = 5,770,432,459.37/86,228.56
  6. Step 6: Final answer
    x = 66,920.20

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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.