Home / 81,822.92-112,947.80-51,602.22

Finding the Fourth Proportional to 81,822.92, 112,947.80 and 51,602.22

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Solution

The fourth proportional to 81,822.92, 112,947.80 and 51,602.22 is: 71,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,822.92 : 112,947.80 = 51,602.22 : x
  2. Step 2: Convert to fraction form
    81,822.92/112,947.80 = 51,602.22/x
  3. Step 3: Cross multiply
    81,822.92x = 112,947.80 × 51,602.22
  4. Step 4: Simplify right side
    81,822.92x = 5,828,356,966.10
  5. Step 5: Solve for x
    x = 5,828,356,966.10/81,822.92
  6. Step 6: Final answer
    x = 71,231.35

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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.