Home / 78,409.09-108,196.74-44,410.81

Finding the Fourth Proportional to 78,409.09, 108,196.74 and 44,410.81

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Solution

The fourth proportional to 78,409.09, 108,196.74 and 44,410.81 is: 61,282.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,409.09 : 108,196.74 = 44,410.81 : x
  2. Step 2: Convert to fraction form
    78,409.09/108,196.74 = 44,410.81/x
  3. Step 3: Cross multiply
    78,409.09x = 108,196.74 × 44,410.81
  4. Step 4: Simplify right side
    78,409.09x = 4,805,104,862.76
  5. Step 5: Solve for x
    x = 4,805,104,862.76/78,409.09
  6. Step 6: Final answer
    x = 61,282.50

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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.