Home / 63,353.76-87,427.20-34,672.64

Finding the Fourth Proportional to 63,353.76, 87,427.20 and 34,672.64

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Solution

The fourth proportional to 63,353.76, 87,427.20 and 34,672.64 is: 47,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,353.76 : 87,427.20 = 34,672.64 : x
  2. Step 2: Convert to fraction form
    63,353.76/87,427.20 = 34,672.64/x
  3. Step 3: Cross multiply
    63,353.76x = 87,427.20 × 34,672.64
  4. Step 4: Simplify right side
    63,353.76x = 3,031,331,831.81
  5. Step 5: Solve for x
    x = 3,031,331,831.81/63,353.76
  6. Step 6: Final answer
    x = 47,847.70

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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.