Home / 74,916.41-103,314.22-55,838.48

Finding the Fourth Proportional to 74,916.41, 103,314.22 and 55,838.48

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Solution

The fourth proportional to 74,916.41, 103,314.22 and 55,838.48 is: 77,004.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,916.41 : 103,314.22 = 55,838.48 : x
  2. Step 2: Convert to fraction form
    74,916.41/103,314.22 = 55,838.48/x
  3. Step 3: Cross multiply
    74,916.41x = 103,314.22 × 55,838.48
  4. Step 4: Simplify right side
    74,916.41x = 5,768,908,731.87
  5. Step 5: Solve for x
    x = 5,768,908,731.87/74,916.41
  6. Step 6: Final answer
    x = 77,004.61

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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.