Home / 78,489.54-108,313.29-44,501.18

Finding the Fourth Proportional to 78,489.54, 108,313.29 and 44,501.18

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Solution

The fourth proportional to 78,489.54, 108,313.29 and 44,501.18 is: 61,410.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,489.54 : 108,313.29 = 44,501.18 : x
  2. Step 2: Convert to fraction form
    78,489.54/108,313.29 = 44,501.18/x
  3. Step 3: Cross multiply
    78,489.54x = 108,313.29 × 44,501.18
  4. Step 4: Simplify right side
    78,489.54x = 4,820,069,214.68
  5. Step 5: Solve for x
    x = 4,820,069,214.68/78,489.54
  6. Step 6: Final answer
    x = 61,410.34

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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.