Home / 69,114.30-103,477.05-62,115.90

Finding the Fourth Proportional to 69,114.30, 103,477.05 and 62,115.90

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Solution

The fourth proportional to 69,114.30, 103,477.05 and 62,115.90 is: 92,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,114.30 : 103,477.05 = 62,115.90 : x
  2. Step 2: Convert to fraction form
    69,114.30/103,477.05 = 62,115.90/x
  3. Step 3: Cross multiply
    69,114.30x = 103,477.05 × 62,115.90
  4. Step 4: Simplify right side
    69,114.30x = 6,427,570,090.10
  5. Step 5: Solve for x
    x = 6,427,570,090.10/69,114.30
  6. Step 6: Final answer
    x = 92,999.13

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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.