Home / 65,541.86-90,457.50-40,062.92

Finding the Fourth Proportional to 65,541.86, 90,457.50 and 40,062.92

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Solution

The fourth proportional to 65,541.86, 90,457.50 and 40,062.92 is: 55,292.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,541.86 : 90,457.50 = 40,062.92 : x
  2. Step 2: Convert to fraction form
    65,541.86/90,457.50 = 40,062.92/x
  3. Step 3: Cross multiply
    65,541.86x = 90,457.50 × 40,062.92
  4. Step 4: Simplify right side
    65,541.86x = 3,623,991,585.90
  5. Step 5: Solve for x
    x = 3,623,991,585.90/65,541.86
  6. Step 6: Final answer
    x = 55,292.78

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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.