Home / 79,316.98-109,457.58-43,507.28

Finding the Fourth Proportional to 79,316.98, 109,457.58 and 43,507.28

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Solution

The fourth proportional to 79,316.98, 109,457.58 and 43,507.28 is: 60,040.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,316.98 : 109,457.58 = 43,507.28 : x
  2. Step 2: Convert to fraction form
    79,316.98/109,457.58 = 43,507.28/x
  3. Step 3: Cross multiply
    79,316.98x = 109,457.58 × 43,507.28
  4. Step 4: Simplify right side
    79,316.98x = 4,762,201,581.18
  5. Step 5: Solve for x
    x = 4,762,201,581.18/79,316.98
  6. Step 6: Final answer
    x = 60,040.13

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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.