Home / 86,412.42-129,618.63-27,254.07

Finding the Fourth Proportional to 86,412.42, 129,618.63 and 27,254.07

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Solution

The fourth proportional to 86,412.42, 129,618.63 and 27,254.07 is: 40,881.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,412.42 : 129,618.63 = 27,254.07 : x
  2. Step 2: Convert to fraction form
    86,412.42/129,618.63 = 27,254.07/x
  3. Step 3: Cross multiply
    86,412.42x = 129,618.63 × 27,254.07
  4. Step 4: Simplify right side
    86,412.42x = 3,532,635,215.32
  5. Step 5: Solve for x
    x = 3,532,635,215.32/86,412.42
  6. Step 6: Final answer
    x = 40,881.11

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1.5x scale

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.