Home / 55,920.09-77,144.64-37,764.91

Finding the Fourth Proportional to 55,920.09, 77,144.64 and 37,764.91

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Solution

The fourth proportional to 55,920.09, 77,144.64 and 37,764.91 is: 52,098.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,920.09 : 77,144.64 = 37,764.91 : x
  2. Step 2: Convert to fraction form
    55,920.09/77,144.64 = 37,764.91/x
  3. Step 3: Cross multiply
    55,920.09x = 77,144.64 × 37,764.91
  4. Step 4: Simplify right side
    55,920.09x = 2,913,360,004.90
  5. Step 5: Solve for x
    x = 2,913,360,004.90/55,920.09
  6. Step 6: Final answer
    x = 52,098.63

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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.