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Finding the Fourth Proportional to 63,846.86, 88,068.75 and 45,913.46

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Solution

The fourth proportional to 63,846.86, 88,068.75 and 45,913.46 is: 63,331.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,846.86 : 88,068.75 = 45,913.46 : x
  2. Step 2: Convert to fraction form
    63,846.86/88,068.75 = 45,913.46/x
  3. Step 3: Cross multiply
    63,846.86x = 88,068.75 × 45,913.46
  4. Step 4: Simplify right side
    63,846.86x = 4,043,541,030.38
  5. Step 5: Solve for x
    x = 4,043,541,030.38/63,846.86
  6. Step 6: Final answer
    x = 63,331.87

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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.