Home / 65,070.12-89,796.14-36,389.46

Finding the Fourth Proportional to 65,070.12, 89,796.14 and 36,389.46

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Solution

The fourth proportional to 65,070.12, 89,796.14 and 36,389.46 is: 50,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,070.12 : 89,796.14 = 36,389.46 : x
  2. Step 2: Convert to fraction form
    65,070.12/89,796.14 = 36,389.46/x
  3. Step 3: Cross multiply
    65,070.12x = 89,796.14 × 36,389.46
  4. Step 4: Simplify right side
    65,070.12x = 3,267,632,862.74
  5. Step 5: Solve for x
    x = 3,267,632,862.74/65,070.12
  6. Step 6: Final answer
    x = 50,217.10

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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.