Home / 86,344.56-119,109.89-59,440.36

Finding the Fourth Proportional to 86,344.56, 119,109.89 and 59,440.36

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Solution

The fourth proportional to 86,344.56, 119,109.89 and 59,440.36 is: 81,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,344.56 : 119,109.89 = 59,440.36 : x
  2. Step 2: Convert to fraction form
    86,344.56/119,109.89 = 59,440.36/x
  3. Step 3: Cross multiply
    86,344.56x = 119,109.89 × 59,440.36
  4. Step 4: Simplify right side
    86,344.56x = 7,079,934,443.96
  5. Step 5: Solve for x
    x = 7,079,934,443.96/86,344.56
  6. Step 6: Final answer
    x = 81,996.30

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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.