Home / 86,119.54-118,817.52-52,117.16

Finding the Fourth Proportional to 86,119.54, 118,817.52 and 52,117.16

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Solution

The fourth proportional to 86,119.54, 118,817.52 and 52,117.16 is: 71,905.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,119.54 : 118,817.52 = 52,117.16 : x
  2. Step 2: Convert to fraction form
    86,119.54/118,817.52 = 52,117.16/x
  3. Step 3: Cross multiply
    86,119.54x = 118,817.52 × 52,117.16
  4. Step 4: Simplify right side
    86,119.54x = 6,192,431,204.28
  5. Step 5: Solve for x
    x = 6,192,431,204.28/86,119.54
  6. Step 6: Final answer
    x = 71,905.07

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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.