Home / 81,095.18-121,664.96-39,010.46

Finding the Fourth Proportional to 81,095.18, 121,664.96 and 39,010.46

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Solution

The fourth proportional to 81,095.18, 121,664.96 and 39,010.46 is: 58,526.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,095.18 : 121,664.96 = 39,010.46 : x
  2. Step 2: Convert to fraction form
    81,095.18/121,664.96 = 39,010.46/x
  3. Step 3: Cross multiply
    81,095.18x = 121,664.96 × 39,010.46
  4. Step 4: Simplify right side
    81,095.18x = 4,746,205,252.10
  5. Step 5: Solve for x
    x = 4,746,205,252.10/81,095.18
  6. Step 6: Final answer
    x = 58,526.36

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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.