Home / 63,729.64-87,950.10-35,434.72

Finding the Fourth Proportional to 63,729.64, 87,950.10 and 35,434.72

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Solution

The fourth proportional to 63,729.64, 87,950.10 and 35,434.72 is: 48,901.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,729.64 : 87,950.10 = 35,434.72 : x
  2. Step 2: Convert to fraction form
    63,729.64/87,950.10 = 35,434.72/x
  3. Step 3: Cross multiply
    63,729.64x = 87,950.10 × 35,434.72
  4. Step 4: Simplify right side
    63,729.64x = 3,116,487,167.47
  5. Step 5: Solve for x
    x = 3,116,487,167.47/63,729.64
  6. Step 6: Final answer
    x = 48,901.69

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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.