Home / 86,112.48-118,837.84-52,127.16

Finding the Fourth Proportional to 86,112.48, 118,837.84 and 52,127.16

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Solution

The fourth proportional to 86,112.48, 118,837.84 and 52,127.16 is: 71,937.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,112.48 : 118,837.84 = 52,127.16 : x
  2. Step 2: Convert to fraction form
    86,112.48/118,837.84 = 52,127.16/x
  3. Step 3: Cross multiply
    86,112.48x = 118,837.84 × 52,127.16
  4. Step 4: Simplify right side
    86,112.48x = 6,194,679,099.73
  5. Step 5: Solve for x
    x = 6,194,679,099.73/86,112.48
  6. Step 6: Final answer
    x = 71,937.07

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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.