Home / 56,864.28-78,456.96-36,722.01

Finding the Fourth Proportional to 56,864.28, 78,456.96 and 36,722.01

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Solution

The fourth proportional to 56,864.28, 78,456.96 and 36,722.01 is: 50,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,864.28 : 78,456.96 = 36,722.01 : x
  2. Step 2: Convert to fraction form
    56,864.28/78,456.96 = 36,722.01/x
  3. Step 3: Cross multiply
    56,864.28x = 78,456.96 × 36,722.01
  4. Step 4: Simplify right side
    56,864.28x = 2,881,097,269.69
  5. Step 5: Solve for x
    x = 2,881,097,269.69/56,864.28
  6. Step 6: Final answer
    x = 50,666.21

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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.