Home / 65,677.16-90,637.98-37,391.96

Finding the Fourth Proportional to 65,677.16, 90,637.98 and 37,391.96

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Solution

The fourth proportional to 65,677.16, 90,637.98 and 37,391.96 is: 51,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,677.16 : 90,637.98 = 37,391.96 : x
  2. Step 2: Convert to fraction form
    65,677.16/90,637.98 = 37,391.96/x
  3. Step 3: Cross multiply
    65,677.16x = 90,637.98 × 37,391.96
  4. Step 4: Simplify right side
    65,677.16x = 3,389,131,722.64
  5. Step 5: Solve for x
    x = 3,389,131,722.64/65,677.16
  6. Step 6: Final answer
    x = 51,602.90

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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.