Home / 55,625.80-76,763.64-30,132.22

Finding the Fourth Proportional to 55,625.80, 76,763.64 and 30,132.22

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Solution

The fourth proportional to 55,625.80, 76,763.64 and 30,132.22 is: 41,582.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,625.80 : 76,763.64 = 30,132.22 : x
  2. Step 2: Convert to fraction form
    55,625.80/76,763.64 = 30,132.22/x
  3. Step 3: Cross multiply
    55,625.80x = 76,763.64 × 30,132.22
  4. Step 4: Simplify right side
    55,625.80x = 2,313,058,888.48
  5. Step 5: Solve for x
    x = 2,313,058,888.48/55,625.80
  6. Step 6: Final answer
    x = 41,582.48

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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.