Home / 75,729.58-113,596.98-25,803.11

Finding the Fourth Proportional to 75,729.58, 113,596.98 and 25,803.11

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Solution

The fourth proportional to 75,729.58, 113,596.98 and 25,803.11 is: 38,705.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,729.58 : 113,596.98 = 25,803.11 : x
  2. Step 2: Convert to fraction form
    75,729.58/113,596.98 = 25,803.11/x
  3. Step 3: Cross multiply
    75,729.58x = 113,596.98 × 25,803.11
  4. Step 4: Simplify right side
    75,729.58x = 2,931,155,064.00
  5. Step 5: Solve for x
    x = 2,931,155,064.00/75,729.58
  6. Step 6: Final answer
    x = 38,705.55

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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.