Home / 56,148.54-77,392.67-39,801.22

Finding the Fourth Proportional to 56,148.54, 77,392.67 and 39,801.22

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Solution

The fourth proportional to 56,148.54, 77,392.67 and 39,801.22 is: 54,860.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,148.54 : 77,392.67 = 39,801.22 : x
  2. Step 2: Convert to fraction form
    56,148.54/77,392.67 = 39,801.22/x
  3. Step 3: Cross multiply
    56,148.54x = 77,392.67 × 39,801.22
  4. Step 4: Simplify right side
    56,148.54x = 3,080,322,727.90
  5. Step 5: Solve for x
    x = 3,080,322,727.90/56,148.54
  6. Step 6: Final answer
    x = 54,860.24

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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.