Home / 102,674.38-153,636.88-60,574.62

Finding the Fourth Proportional to 102,674.38, 153,636.88 and 60,574.62

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Solution

The fourth proportional to 102,674.38, 153,636.88 and 60,574.62 is: 90,640.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,674.38 : 153,636.88 = 60,574.62 : x
  2. Step 2: Convert to fraction form
    102,674.38/153,636.88 = 60,574.62/x
  3. Step 3: Cross multiply
    102,674.38x = 153,636.88 × 60,574.62
  4. Step 4: Simplify right side
    102,674.38x = 9,306,495,623.99
  5. Step 5: Solve for x
    x = 9,306,495,623.99/102,674.38
  6. Step 6: Final answer
    x = 90,640.87

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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.