Home / 69,001.10-103,465.20-29,513.60

Finding the Fourth Proportional to 69,001.10, 103,465.20 and 29,513.60

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Solution

The fourth proportional to 69,001.10, 103,465.20 and 29,513.60 is: 44,254.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,001.10 : 103,465.20 = 29,513.60 : x
  2. Step 2: Convert to fraction form
    69,001.10/103,465.20 = 29,513.60/x
  3. Step 3: Cross multiply
    69,001.10x = 103,465.20 × 29,513.60
  4. Step 4: Simplify right side
    69,001.10x = 3,053,630,526.72
  5. Step 5: Solve for x
    x = 3,053,630,526.72/69,001.10
  6. Step 6: Final answer
    x = 44,254.81

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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.