Home / 69,068.20-103,616.70-39,461.80

Finding the Fourth Proportional to 69,068.20, 103,616.70 and 39,461.80

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Solution

The fourth proportional to 69,068.20, 103,616.70 and 39,461.80 is: 59,200.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,068.20 : 103,616.70 = 39,461.80 : x
  2. Step 2: Convert to fraction form
    69,068.20/103,616.70 = 39,461.80/x
  3. Step 3: Cross multiply
    69,068.20x = 103,616.70 × 39,461.80
  4. Step 4: Simplify right side
    69,068.20x = 4,088,901,492.06
  5. Step 5: Solve for x
    x = 4,088,901,492.06/69,068.20
  6. Step 6: Final answer
    x = 59,200.93

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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.