Home / 79,266.13-109,390.56-43,457.51

Finding the Fourth Proportional to 79,266.13, 109,390.56 and 43,457.51

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Solution

The fourth proportional to 79,266.13, 109,390.56 and 43,457.51 is: 59,973.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,266.13 : 109,390.56 = 43,457.51 : x
  2. Step 2: Convert to fraction form
    79,266.13/109,390.56 = 43,457.51/x
  3. Step 3: Cross multiply
    79,266.13x = 109,390.56 × 43,457.51
  4. Step 4: Simplify right side
    79,266.13x = 4,753,841,355.11
  5. Step 5: Solve for x
    x = 4,753,841,355.11/79,266.13
  6. Step 6: Final answer
    x = 59,973.17

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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.