Home / 69,110.30-103,557.42-48,091.40

Finding the Fourth Proportional to 69,110.30, 103,557.42 and 48,091.40

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Solution

The fourth proportional to 69,110.30, 103,557.42 and 48,091.40 is: 72,061.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,110.30 : 103,557.42 = 48,091.40 : x
  2. Step 2: Convert to fraction form
    69,110.30/103,557.42 = 48,091.40/x
  3. Step 3: Cross multiply
    69,110.30x = 103,557.42 × 48,091.40
  4. Step 4: Simplify right side
    69,110.30x = 4,980,221,308.19
  5. Step 5: Solve for x
    x = 4,980,221,308.19/69,110.30
  6. Step 6: Final answer
    x = 72,061.93

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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.