Home / 86,721.93-130,091.54-23,543.08

Finding the Fourth Proportional to 86,721.93, 130,091.54 and 23,543.08

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Solution

The fourth proportional to 86,721.93, 130,091.54 and 23,543.08 is: 35,316.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,721.93 : 130,091.54 = 23,543.08 : x
  2. Step 2: Convert to fraction form
    86,721.93/130,091.54 = 23,543.08/x
  3. Step 3: Cross multiply
    86,721.93x = 130,091.54 × 23,543.08
  4. Step 4: Simplify right side
    86,721.93x = 3,062,755,090.60
  5. Step 5: Solve for x
    x = 3,062,755,090.60/86,721.93
  6. Step 6: Final answer
    x = 35,316.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.