Home / 92,068.23-137,976.34-69,560.40

Finding the Fourth Proportional to 92,068.23, 137,976.34 and 69,560.40

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Solution

The fourth proportional to 92,068.23, 137,976.34 and 69,560.40 is: 104,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,068.23 : 137,976.34 = 69,560.40 : x
  2. Step 2: Convert to fraction form
    92,068.23/137,976.34 = 69,560.40/x
  3. Step 3: Cross multiply
    92,068.23x = 137,976.34 × 69,560.40
  4. Step 4: Simplify right side
    92,068.23x = 9,597,689,400.94
  5. Step 5: Solve for x
    x = 9,597,689,400.94/92,068.23
  6. Step 6: Final answer
    x = 104,245.40

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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.