Home / 86,893.02-130,328.64-27,723.78

Finding the Fourth Proportional to 86,893.02, 130,328.64 and 27,723.78

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Solution

The fourth proportional to 86,893.02, 130,328.64 and 27,723.78 is: 41,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,893.02 : 130,328.64 = 27,723.78 : x
  2. Step 2: Convert to fraction form
    86,893.02/130,328.64 = 27,723.78/x
  3. Step 3: Cross multiply
    86,893.02x = 130,328.64 × 27,723.78
  4. Step 4: Simplify right side
    86,893.02x = 3,613,202,543.06
  5. Step 5: Solve for x
    x = 3,613,202,543.06/86,893.02
  6. Step 6: Final answer
    x = 41,582.20

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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.