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Finding the Fourth Proportional to 61,148.57, 91,648.53 and 44,467.02

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Solution

The fourth proportional to 61,148.57, 91,648.53 and 44,467.02 is: 66,646.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,148.57 : 91,648.53 = 44,467.02 : x
  2. Step 2: Convert to fraction form
    61,148.57/91,648.53 = 44,467.02/x
  3. Step 3: Cross multiply
    61,148.57x = 91,648.53 × 44,467.02
  4. Step 4: Simplify right side
    61,148.57x = 4,075,337,016.48
  5. Step 5: Solve for x
    x = 4,075,337,016.48/61,148.57
  6. Step 6: Final answer
    x = 66,646.49

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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.