Home / 56,725.74-78,112.68-55,467.06

Finding the Fourth Proportional to 56,725.74, 78,112.68 and 55,467.06

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Solution

The fourth proportional to 56,725.74, 78,112.68 and 55,467.06 is: 76,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,725.74 : 78,112.68 = 55,467.06 : x
  2. Step 2: Convert to fraction form
    56,725.74/78,112.68 = 55,467.06/x
  3. Step 3: Cross multiply
    56,725.74x = 78,112.68 × 55,467.06
  4. Step 4: Simplify right side
    56,725.74x = 4,332,680,708.32
  5. Step 5: Solve for x
    x = 4,332,680,708.32/56,725.74
  6. Step 6: Final answer
    x = 76,379.45

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1.5x scale

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.