Home / 65,457.44-90,389.04-48,661.28

Finding the Fourth Proportional to 65,457.44, 90,389.04 and 48,661.28

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Solution

The fourth proportional to 65,457.44, 90,389.04 and 48,661.28 is: 67,195.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,457.44 : 90,389.04 = 48,661.28 : x
  2. Step 2: Convert to fraction form
    65,457.44/90,389.04 = 48,661.28/x
  3. Step 3: Cross multiply
    65,457.44x = 90,389.04 × 48,661.28
  4. Step 4: Simplify right side
    65,457.44x = 4,398,446,384.37
  5. Step 5: Solve for x
    x = 4,398,446,384.37/65,457.44
  6. Step 6: Final answer
    x = 67,195.51

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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.