Home / 81,621.34-122,177.59-62,852.62

Finding the Fourth Proportional to 81,621.34, 122,177.59 and 62,852.62

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Solution

The fourth proportional to 81,621.34, 122,177.59 and 62,852.62 is: 94,083.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,621.34 : 122,177.59 = 62,852.62 : x
  2. Step 2: Convert to fraction form
    81,621.34/122,177.59 = 62,852.62/x
  3. Step 3: Cross multiply
    81,621.34x = 122,177.59 × 62,852.62
  4. Step 4: Simplify right side
    81,621.34x = 7,679,181,636.79
  5. Step 5: Solve for x
    x = 7,679,181,636.79/81,621.34
  6. Step 6: Final answer
    x = 94,083.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.