Home / 86,152.44-118,890.75-47,915.46

Finding the Fourth Proportional to 86,152.44, 118,890.75 and 47,915.46

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Solution

The fourth proportional to 86,152.44, 118,890.75 and 47,915.46 is: 66,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,152.44 : 118,890.75 = 47,915.46 : x
  2. Step 2: Convert to fraction form
    86,152.44/118,890.75 = 47,915.46/x
  3. Step 3: Cross multiply
    86,152.44x = 118,890.75 × 47,915.46
  4. Step 4: Simplify right side
    86,152.44x = 5,696,704,976.00
  5. Step 5: Solve for x
    x = 5,696,704,976.00/86,152.44
  6. Step 6: Final answer
    x = 66,123.55

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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.