Home / 56,979.18-78,614.01-33,101.19

Finding the Fourth Proportional to 56,979.18, 78,614.01 and 33,101.19

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Solution

The fourth proportional to 56,979.18, 78,614.01 and 33,101.19 is: 45,669.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,979.18 : 78,614.01 = 33,101.19 : x
  2. Step 2: Convert to fraction form
    56,979.18/78,614.01 = 33,101.19/x
  3. Step 3: Cross multiply
    56,979.18x = 78,614.01 × 33,101.19
  4. Step 4: Simplify right side
    56,979.18x = 2,602,217,281.67
  5. Step 5: Solve for x
    x = 2,602,217,281.67/56,979.18
  6. Step 6: Final answer
    x = 45,669.62

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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.