Home / 56,290.86-77,647.55-37,170.81

Finding the Fourth Proportional to 56,290.86, 77,647.55 and 37,170.81

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Solution

The fourth proportional to 56,290.86, 77,647.55 and 37,170.81 is: 51,273.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,290.86 : 77,647.55 = 37,170.81 : x
  2. Step 2: Convert to fraction form
    56,290.86/77,647.55 = 37,170.81/x
  3. Step 3: Cross multiply
    56,290.86x = 77,647.55 × 37,170.81
  4. Step 4: Simplify right side
    56,290.86x = 2,886,222,142.16
  5. Step 5: Solve for x
    x = 2,886,222,142.16/56,290.86
  6. Step 6: Final answer
    x = 51,273.37

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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.