Home / 56,138.09-77,483.56-37,021.30

Finding the Fourth Proportional to 56,138.09, 77,483.56 and 37,021.30

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Solution

The fourth proportional to 56,138.09, 77,483.56 and 37,021.30 is: 51,097.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,138.09 : 77,483.56 = 37,021.30 : x
  2. Step 2: Convert to fraction form
    56,138.09/77,483.56 = 37,021.30/x
  3. Step 3: Cross multiply
    56,138.09x = 77,483.56 × 37,021.30
  4. Step 4: Simplify right side
    56,138.09x = 2,868,542,119.83
  5. Step 5: Solve for x
    x = 2,868,542,119.83/56,138.09
  6. Step 6: Final answer
    x = 51,097.96

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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.