Home / 70,055.16-96,684.48-39,845.04

Finding the Fourth Proportional to 70,055.16, 96,684.48 and 39,845.04

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Solution

The fourth proportional to 70,055.16, 96,684.48 and 39,845.04 is: 54,990.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,055.16 : 96,684.48 = 39,845.04 : x
  2. Step 2: Convert to fraction form
    70,055.16/96,684.48 = 39,845.04/x
  3. Step 3: Cross multiply
    70,055.16x = 96,684.48 × 39,845.04
  4. Step 4: Simplify right side
    70,055.16x = 3,852,396,972.98
  5. Step 5: Solve for x
    x = 3,852,396,972.98/70,055.16
  6. Step 6: Final answer
    x = 54,990.91

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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.