Home / 55,282.86-76,267.74-38,525.58

Finding the Fourth Proportional to 55,282.86, 76,267.74 and 38,525.58

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Solution

The fourth proportional to 55,282.86, 76,267.74 and 38,525.58 is: 53,149.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,282.86 : 76,267.74 = 38,525.58 : x
  2. Step 2: Convert to fraction form
    55,282.86/76,267.74 = 38,525.58/x
  3. Step 3: Cross multiply
    55,282.86x = 76,267.74 × 38,525.58
  4. Step 4: Simplify right side
    55,282.86x = 2,938,258,918.79
  5. Step 5: Solve for x
    x = 2,938,258,918.79/55,282.86
  6. Step 6: Final answer
    x = 53,149.55

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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.