Home / 65,723.16-90,740.34-58,637.28

Finding the Fourth Proportional to 65,723.16, 90,740.34 and 58,637.28

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Solution

The fourth proportional to 65,723.16, 90,740.34 and 58,637.28 is: 80,957.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,723.16 : 90,740.34 = 58,637.28 : x
  2. Step 2: Convert to fraction form
    65,723.16/90,740.34 = 58,637.28/x
  3. Step 3: Cross multiply
    65,723.16x = 90,740.34 × 58,637.28
  4. Step 4: Simplify right side
    65,723.16x = 5,320,766,723.88
  5. Step 5: Solve for x
    x = 5,320,766,723.88/65,723.16
  6. Step 6: Final answer
    x = 80,957.26

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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.