Home / 81,359.94-112,283.18-59,947.49

Finding the Fourth Proportional to 81,359.94, 112,283.18 and 59,947.49

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Solution

The fourth proportional to 81,359.94, 112,283.18 and 59,947.49 is: 82,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,359.94 : 112,283.18 = 59,947.49 : x
  2. Step 2: Convert to fraction form
    81,359.94/112,283.18 = 59,947.49/x
  3. Step 3: Cross multiply
    81,359.94x = 112,283.18 × 59,947.49
  4. Step 4: Simplify right side
    81,359.94x = 6,731,094,810.22
  5. Step 5: Solve for x
    x = 6,731,094,810.22/81,359.94
  6. Step 6: Final answer
    x = 82,732.30

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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.