Home / 69,184.16-103,678.90-39,557.60

Finding the Fourth Proportional to 69,184.16, 103,678.90 and 39,557.60

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Solution

The fourth proportional to 69,184.16, 103,678.90 and 39,557.60 is: 59,280.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,184.16 : 103,678.90 = 39,557.60 : x
  2. Step 2: Convert to fraction form
    69,184.16/103,678.90 = 39,557.60/x
  3. Step 3: Cross multiply
    69,184.16x = 103,678.90 × 39,557.60
  4. Step 4: Simplify right side
    69,184.16x = 4,101,288,454.64
  5. Step 5: Solve for x
    x = 4,101,288,454.64/69,184.16
  6. Step 6: Final answer
    x = 59,280.74

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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.