Home / 86,215.38-118,938.14-62,304.18

Finding the Fourth Proportional to 86,215.38, 118,938.14 and 62,304.18

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Solution

The fourth proportional to 86,215.38, 118,938.14 and 62,304.18 is: 85,951.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,215.38 : 118,938.14 = 62,304.18 : x
  2. Step 2: Convert to fraction form
    86,215.38/118,938.14 = 62,304.18/x
  3. Step 3: Cross multiply
    86,215.38x = 118,938.14 × 62,304.18
  4. Step 4: Simplify right side
    86,215.38x = 7,410,343,283.43
  5. Step 5: Solve for x
    x = 7,410,343,283.43/86,215.38
  6. Step 6: Final answer
    x = 85,951.52

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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.