Home / 55,550.95-76,648.07-32,878.64

Finding the Fourth Proportional to 55,550.95, 76,648.07 and 32,878.64

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Solution

The fourth proportional to 55,550.95, 76,648.07 and 32,878.64 is: 45,365.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,550.95 : 76,648.07 = 32,878.64 : x
  2. Step 2: Convert to fraction form
    55,550.95/76,648.07 = 32,878.64/x
  3. Step 3: Cross multiply
    55,550.95x = 76,648.07 × 32,878.64
  4. Step 4: Simplify right side
    55,550.95x = 2,520,084,574.04
  5. Step 5: Solve for x
    x = 2,520,084,574.04/55,550.95
  6. Step 6: Final answer
    x = 45,365.29

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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.