Home / 67,376.37-100,898.48-42,354.36

Finding the Fourth Proportional to 67,376.37, 100,898.48 and 42,354.36

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Solution

The fourth proportional to 67,376.37, 100,898.48 and 42,354.36 is: 63,427.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,376.37 : 100,898.48 = 42,354.36 : x
  2. Step 2: Convert to fraction form
    67,376.37/100,898.48 = 42,354.36/x
  3. Step 3: Cross multiply
    67,376.37x = 100,898.48 × 42,354.36
  4. Step 4: Simplify right side
    67,376.37x = 4,273,490,545.37
  5. Step 5: Solve for x
    x = 4,273,490,545.37/67,376.37
  6. Step 6: Final answer
    x = 63,427.14

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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.