Home / 56,660.84-78,187.19-32,789.06

Finding the Fourth Proportional to 56,660.84, 78,187.19 and 32,789.06

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Solution

The fourth proportional to 56,660.84, 78,187.19 and 32,789.06 is: 45,246.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,660.84 : 78,187.19 = 32,789.06 : x
  2. Step 2: Convert to fraction form
    56,660.84/78,187.19 = 32,789.06/x
  3. Step 3: Cross multiply
    56,660.84x = 78,187.19 × 32,789.06
  4. Step 4: Simplify right side
    56,660.84x = 2,563,683,909.26
  5. Step 5: Solve for x
    x = 2,563,683,909.26/56,660.84
  6. Step 6: Final answer
    x = 45,246.14

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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.