Home / 65,836.96-90,856.56-37,545.28

Finding the Fourth Proportional to 65,836.96, 90,856.56 and 37,545.28

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Solution

The fourth proportional to 65,836.96, 90,856.56 and 37,545.28 is: 51,813.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,836.96 : 90,856.56 = 37,545.28 : x
  2. Step 2: Convert to fraction form
    65,836.96/90,856.56 = 37,545.28/x
  3. Step 3: Cross multiply
    65,836.96x = 90,856.56 × 37,545.28
  4. Step 4: Simplify right side
    65,836.96x = 3,411,234,985.04
  5. Step 5: Solve for x
    x = 3,411,234,985.04/65,836.96
  6. Step 6: Final answer
    x = 51,813.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.