Home / 102,608.18-154,006.88-52,042.69

Finding the Fourth Proportional to 102,608.18, 154,006.88 and 52,042.69

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Solution

The fourth proportional to 102,608.18, 154,006.88 and 52,042.69 is: 78,112.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,608.18 : 154,006.88 = 52,042.69 : x
  2. Step 2: Convert to fraction form
    102,608.18/154,006.88 = 52,042.69/x
  3. Step 3: Cross multiply
    102,608.18x = 154,006.88 × 52,042.69
  4. Step 4: Simplify right side
    102,608.18x = 8,014,931,283.46
  5. Step 5: Solve for x
    x = 8,014,931,283.46/102,608.18
  6. Step 6: Final answer
    x = 78,112.01

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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.