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Finding the Fourth Proportional to 63,807.85, 88,055.20 and 35,130.41

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Solution

The fourth proportional to 63,807.85, 88,055.20 and 35,130.41 is: 48,480.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,807.85 : 88,055.20 = 35,130.41 : x
  2. Step 2: Convert to fraction form
    63,807.85/88,055.20 = 35,130.41/x
  3. Step 3: Cross multiply
    63,807.85x = 88,055.20 × 35,130.41
  4. Step 4: Simplify right side
    63,807.85x = 3,093,415,278.63
  5. Step 5: Solve for x
    x = 3,093,415,278.63/63,807.85
  6. Step 6: Final answer
    x = 48,480.17

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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.