Home / 97,818.70-146,557.95-45,120.10

Finding the Fourth Proportional to 97,818.70, 146,557.95 and 45,120.10

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Solution

The fourth proportional to 97,818.70, 146,557.95 and 45,120.10 is: 67,601.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,818.70 : 146,557.95 = 45,120.10 : x
  2. Step 2: Convert to fraction form
    97,818.70/146,557.95 = 45,120.10/x
  3. Step 3: Cross multiply
    97,818.70x = 146,557.95 × 45,120.10
  4. Step 4: Simplify right side
    97,818.70x = 6,612,709,359.80
  5. Step 5: Solve for x
    x = 6,612,709,359.80/97,818.70
  6. Step 6: Final answer
    x = 67,601.69

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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.