Home / 65,913.13-90,976.40-37,635.22

Finding the Fourth Proportional to 65,913.13, 90,976.40 and 37,635.22

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Solution

The fourth proportional to 65,913.13, 90,976.40 and 37,635.22 is: 51,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,913.13 : 90,976.40 = 37,635.22 : x
  2. Step 2: Convert to fraction form
    65,913.13/90,976.40 = 37,635.22/x
  3. Step 3: Cross multiply
    65,913.13x = 90,976.40 × 37,635.22
  4. Step 4: Simplify right side
    65,913.13x = 3,423,916,828.81
  5. Step 5: Solve for x
    x = 3,423,916,828.81/65,913.13
  6. Step 6: Final answer
    x = 51,945.90

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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.