Home / 81,488.44-112,243.70-57,573.60

Finding the Fourth Proportional to 81,488.44, 112,243.70 and 57,573.60

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Solution

The fourth proportional to 81,488.44, 112,243.70 and 57,573.60 is: 79,302.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,488.44 : 112,243.70 = 57,573.60 : x
  2. Step 2: Convert to fraction form
    81,488.44/112,243.70 = 57,573.60/x
  3. Step 3: Cross multiply
    81,488.44x = 112,243.70 × 57,573.60
  4. Step 4: Simplify right side
    81,488.44x = 6,462,273,886.32
  5. Step 5: Solve for x
    x = 6,462,273,886.32/81,488.44
  6. Step 6: Final answer
    x = 79,302.95

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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.