Home / 81,547.44-122,164.83-62,799.18

Finding the Fourth Proportional to 81,547.44, 122,164.83 and 62,799.18

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Solution

The fourth proportional to 81,547.44, 122,164.83 and 62,799.18 is: 94,078.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,547.44 : 122,164.83 = 62,799.18 : x
  2. Step 2: Convert to fraction form
    81,547.44/122,164.83 = 62,799.18/x
  3. Step 3: Cross multiply
    81,547.44x = 122,164.83 × 62,799.18
  4. Step 4: Simplify right side
    81,547.44x = 7,671,851,148.84
  5. Step 5: Solve for x
    x = 7,671,851,148.84/81,547.44
  6. Step 6: Final answer
    x = 94,078.38

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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.