Home / 63,742.64-87,967.68-36,886.40

Finding the Fourth Proportional to 63,742.64, 87,967.68 and 36,886.40

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Solution

The fourth proportional to 63,742.64, 87,967.68 and 36,886.40 is: 50,904.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,742.64 : 87,967.68 = 36,886.40 : x
  2. Step 2: Convert to fraction form
    63,742.64/87,967.68 = 36,886.40/x
  3. Step 3: Cross multiply
    63,742.64x = 87,967.68 × 36,886.40
  4. Step 4: Simplify right side
    63,742.64x = 3,244,811,031.55
  5. Step 5: Solve for x
    x = 3,244,811,031.55/63,742.64
  6. Step 6: Final answer
    x = 50,904.87

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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.