Home / 75,182.37-112,461.88-57,277.55

Finding the Fourth Proportional to 75,182.37, 112,461.88 and 57,277.55

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Solution

The fourth proportional to 75,182.37, 112,461.88 and 57,277.55 is: 85,678.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,182.37 : 112,461.88 = 57,277.55 : x
  2. Step 2: Convert to fraction form
    75,182.37/112,461.88 = 57,277.55/x
  3. Step 3: Cross multiply
    75,182.37x = 112,461.88 × 57,277.55
  4. Step 4: Simplify right side
    75,182.37x = 6,441,540,954.79
  5. Step 5: Solve for x
    x = 6,441,540,954.79/75,182.37
  6. Step 6: Final answer
    x = 85,678.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.