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Finding the Fourth Proportional to 62,907.71, 94,361.58 and 43,126.29

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Solution

The fourth proportional to 62,907.71, 94,361.58 and 43,126.29 is: 64,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,907.71 : 94,361.58 = 43,126.29 : x
  2. Step 2: Convert to fraction form
    62,907.71/94,361.58 = 43,126.29/x
  3. Step 3: Cross multiply
    62,907.71x = 94,361.58 × 43,126.29
  4. Step 4: Simplify right side
    62,907.71x = 4,069,464,863.94
  5. Step 5: Solve for x
    x = 4,069,464,863.94/62,907.71
  6. Step 6: Final answer
    x = 64,689.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.