Home / 85,136.32-117,373.62-59,608.36

Finding the Fourth Proportional to 85,136.32, 117,373.62 and 59,608.36

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Solution

The fourth proportional to 85,136.32, 117,373.62 and 59,608.36 is: 82,179.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,136.32 : 117,373.62 = 59,608.36 : x
  2. Step 2: Convert to fraction form
    85,136.32/117,373.62 = 59,608.36/x
  3. Step 3: Cross multiply
    85,136.32x = 117,373.62 × 59,608.36
  4. Step 4: Simplify right side
    85,136.32x = 6,996,448,995.46
  5. Step 5: Solve for x
    x = 6,996,448,995.46/85,136.32
  6. Step 6: Final answer
    x = 82,179.37

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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.