Home / 79,318.06-109,457.89-45,326.16

Finding the Fourth Proportional to 79,318.06, 109,457.89 and 45,326.16

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Solution

The fourth proportional to 79,318.06, 109,457.89 and 45,326.16 is: 62,549.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,318.06 : 109,457.89 = 45,326.16 : x
  2. Step 2: Convert to fraction form
    79,318.06/109,457.89 = 45,326.16/x
  3. Step 3: Cross multiply
    79,318.06x = 109,457.89 × 45,326.16
  4. Step 4: Simplify right side
    79,318.06x = 4,961,305,722.09
  5. Step 5: Solve for x
    x = 4,961,305,722.09/79,318.06
  6. Step 6: Final answer
    x = 62,549.51

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1.5x scale

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.