Home / 86,344.38-119,109.63-59,440.34

Finding the Fourth Proportional to 86,344.38, 119,109.63 and 59,440.34

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Solution

The fourth proportional to 86,344.38, 119,109.63 and 59,440.34 is: 81,996.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,344.38 : 119,109.63 = 59,440.34 : x
  2. Step 2: Convert to fraction form
    86,344.38/119,109.63 = 59,440.34/x
  3. Step 3: Cross multiply
    86,344.38x = 119,109.63 × 59,440.34
  4. Step 4: Simplify right side
    86,344.38x = 7,079,916,308.93
  5. Step 5: Solve for x
    x = 7,079,916,308.93/86,344.38
  6. Step 6: Final answer
    x = 81,996.26

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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.