Home / 58,772.10-81,114.66-33,279.78

Finding the Fourth Proportional to 58,772.10, 81,114.66 and 33,279.78

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Solution

The fourth proportional to 58,772.10, 81,114.66 and 33,279.78 is: 45,931.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,772.10 : 81,114.66 = 33,279.78 : x
  2. Step 2: Convert to fraction form
    58,772.10/81,114.66 = 33,279.78/x
  3. Step 3: Cross multiply
    58,772.10x = 81,114.66 × 33,279.78
  4. Step 4: Simplify right side
    58,772.10x = 2,699,478,039.57
  5. Step 5: Solve for x
    x = 2,699,478,039.57/58,772.10
  6. Step 6: Final answer
    x = 45,931.28

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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.