Home / 68,095.20-93,971.12-39,795.28

Finding the Fourth Proportional to 68,095.20, 93,971.12 and 39,795.28

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Solution

The fourth proportional to 68,095.20, 93,971.12 and 39,795.28 is: 54,917.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,095.20 : 93,971.12 = 39,795.28 : x
  2. Step 2: Convert to fraction form
    68,095.20/93,971.12 = 39,795.28/x
  3. Step 3: Cross multiply
    68,095.20x = 93,971.12 × 39,795.28
  4. Step 4: Simplify right side
    68,095.20x = 3,739,607,032.31
  5. Step 5: Solve for x
    x = 3,739,607,032.31/68,095.20
  6. Step 6: Final answer
    x = 54,917.34

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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.