Home / 56,661.41-78,161.67-35,143.72

Finding the Fourth Proportional to 56,661.41, 78,161.67 and 35,143.72

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Solution

The fourth proportional to 56,661.41, 78,161.67 and 35,143.72 is: 48,479.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,661.41 : 78,161.67 = 35,143.72 : x
  2. Step 2: Convert to fraction form
    56,661.41/78,161.67 = 35,143.72/x
  3. Step 3: Cross multiply
    56,661.41x = 78,161.67 × 35,143.72
  4. Step 4: Simplify right side
    56,661.41x = 2,746,892,138.89
  5. Step 5: Solve for x
    x = 2,746,892,138.89/56,661.41
  6. Step 6: Final answer
    x = 48,479.06

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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.