Home / 65,763.15-90,753.81-35,549.04

Finding the Fourth Proportional to 65,763.15, 90,753.81 and 35,549.04

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Solution

The fourth proportional to 65,763.15, 90,753.81 and 35,549.04 is: 49,058.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,763.15 : 90,753.81 = 35,549.04 : x
  2. Step 2: Convert to fraction form
    65,763.15/90,753.81 = 35,549.04/x
  3. Step 3: Cross multiply
    65,763.15x = 90,753.81 × 35,549.04
  4. Step 4: Simplify right side
    65,763.15x = 3,226,210,821.84
  5. Step 5: Solve for x
    x = 3,226,210,821.84/65,763.15
  6. Step 6: Final answer
    x = 49,058.03

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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.