Home / 56,080.74-77,390.25-30,930.24

Finding the Fourth Proportional to 56,080.74, 77,390.25 and 30,930.24

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Solution

The fourth proportional to 56,080.74, 77,390.25 and 30,930.24 is: 42,683.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,080.74 : 77,390.25 = 30,930.24 : x
  2. Step 2: Convert to fraction form
    56,080.74/77,390.25 = 30,930.24/x
  3. Step 3: Cross multiply
    56,080.74x = 77,390.25 × 30,930.24
  4. Step 4: Simplify right side
    56,080.74x = 2,393,699,006.16
  5. Step 5: Solve for x
    x = 2,393,699,006.16/56,080.74
  6. Step 6: Final answer
    x = 42,683.09

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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.