Home / 45,521.76-68,292.48-25,809.60

Finding the Fourth Proportional to 45,521.76, 68,292.48 and 25,809.60

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Solution

The fourth proportional to 45,521.76, 68,292.48 and 25,809.60 is: 38,719.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,521.76 : 68,292.48 = 25,809.60 : x
  2. Step 2: Convert to fraction form
    45,521.76/68,292.48 = 25,809.60/x
  3. Step 3: Cross multiply
    45,521.76x = 68,292.48 × 25,809.60
  4. Step 4: Simplify right side
    45,521.76x = 1,762,601,591.81
  5. Step 5: Solve for x
    x = 1,762,601,591.81/45,521.76
  6. Step 6: Final answer
    x = 38,719.98

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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.