Home / 65,327.04-90,188.64-43,035.84

Finding the Fourth Proportional to 65,327.04, 90,188.64 and 43,035.84

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Solution

The fourth proportional to 65,327.04, 90,188.64 and 43,035.84 is: 59,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,327.04 : 90,188.64 = 43,035.84 : x
  2. Step 2: Convert to fraction form
    65,327.04/90,188.64 = 43,035.84/x
  3. Step 3: Cross multiply
    65,327.04x = 90,188.64 × 43,035.84
  4. Step 4: Simplify right side
    65,327.04x = 3,881,343,880.86
  5. Step 5: Solve for x
    x = 3,881,343,880.86/65,327.04
  6. Step 6: Final answer
    x = 59,414.05

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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.