Home / 63,742.40-87,955.98-35,442.64

Finding the Fourth Proportional to 63,742.40, 87,955.98 and 35,442.64

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Solution

The fourth proportional to 63,742.40, 87,955.98 and 35,442.64 is: 48,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,742.40 : 87,955.98 = 35,442.64 : x
  2. Step 2: Convert to fraction form
    63,742.40/87,955.98 = 35,442.64/x
  3. Step 3: Cross multiply
    63,742.40x = 87,955.98 × 35,442.64
  4. Step 4: Simplify right side
    63,742.40x = 3,117,392,134.99
  5. Step 5: Solve for x
    x = 3,117,392,134.99/63,742.40
  6. Step 6: Final answer
    x = 48,906.10

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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.