Home / 65,884.02-90,920.01-35,669.36

Finding the Fourth Proportional to 65,884.02, 90,920.01 and 35,669.36

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Solution

The fourth proportional to 65,884.02, 90,920.01 and 35,669.36 is: 49,223.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,884.02 : 90,920.01 = 35,669.36 : x
  2. Step 2: Convert to fraction form
    65,884.02/90,920.01 = 35,669.36/x
  3. Step 3: Cross multiply
    65,884.02x = 90,920.01 × 35,669.36
  4. Step 4: Simplify right side
    65,884.02x = 3,243,058,678.15
  5. Step 5: Solve for x
    x = 3,243,058,678.15/65,884.02
  6. Step 6: Final answer
    x = 49,223.75

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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.