Home / 78,428.19-108,230.52-44,436.59

Finding the Fourth Proportional to 78,428.19, 108,230.52 and 44,436.59

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Solution

The fourth proportional to 78,428.19, 108,230.52 and 44,436.59 is: 61,322.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,428.19 : 108,230.52 = 44,436.59 : x
  2. Step 2: Convert to fraction form
    78,428.19/108,230.52 = 44,436.59/x
  3. Step 3: Cross multiply
    78,428.19x = 108,230.52 × 44,436.59
  4. Step 4: Simplify right side
    78,428.19x = 4,809,395,242.73
  5. Step 5: Solve for x
    x = 4,809,395,242.73/78,428.19
  6. Step 6: Final answer
    x = 61,322.28

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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.