Home / 82,060.56-113,133.88-61,555.46

Finding the Fourth Proportional to 82,060.56, 113,133.88 and 61,555.46

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Solution

The fourth proportional to 82,060.56, 113,133.88 and 61,555.46 is: 84,864.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,060.56 : 113,133.88 = 61,555.46 : x
  2. Step 2: Convert to fraction form
    82,060.56/113,133.88 = 61,555.46/x
  3. Step 3: Cross multiply
    82,060.56x = 113,133.88 × 61,555.46
  4. Step 4: Simplify right side
    82,060.56x = 6,964,008,024.98
  5. Step 5: Solve for x
    x = 6,964,008,024.98/82,060.56
  6. Step 6: Final answer
    x = 84,864.25

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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.