Home / 86,464.19-129,693.03-27,303.41

Finding the Fourth Proportional to 86,464.19, 129,693.03 and 27,303.41

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Solution

The fourth proportional to 86,464.19, 129,693.03 and 27,303.41 is: 40,954.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,464.19 : 129,693.03 = 27,303.41 : x
  2. Step 2: Convert to fraction form
    86,464.19/129,693.03 = 27,303.41/x
  3. Step 3: Cross multiply
    86,464.19x = 129,693.03 × 27,303.41
  4. Step 4: Simplify right side
    86,464.19x = 3,541,061,323.77
  5. Step 5: Solve for x
    x = 3,541,061,323.77/86,464.19
  6. Step 6: Final answer
    x = 40,954.08

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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.