Home / 55,975.77-77,261.99-38,100.69

Finding the Fourth Proportional to 55,975.77, 77,261.99 and 38,100.69

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Solution

The fourth proportional to 55,975.77, 77,261.99 and 38,100.69 is: 52,589.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,975.77 : 77,261.99 = 38,100.69 : x
  2. Step 2: Convert to fraction form
    55,975.77/77,261.99 = 38,100.69/x
  3. Step 3: Cross multiply
    55,975.77x = 77,261.99 × 38,100.69
  4. Step 4: Simplify right side
    55,975.77x = 2,943,734,939.27
  5. Step 5: Solve for x
    x = 2,943,734,939.27/55,975.77
  6. Step 6: Final answer
    x = 52,589.45

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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.