Home / 71,032.12-98,021.75-39,200.33

Finding the Fourth Proportional to 71,032.12, 98,021.75 and 39,200.33

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Solution

The fourth proportional to 71,032.12, 98,021.75 and 39,200.33 is: 54,095.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,032.12 : 98,021.75 = 39,200.33 : x
  2. Step 2: Convert to fraction form
    71,032.12/98,021.75 = 39,200.33/x
  3. Step 3: Cross multiply
    71,032.12x = 98,021.75 × 39,200.33
  4. Step 4: Simplify right side
    71,032.12x = 3,842,484,996.23
  5. Step 5: Solve for x
    x = 3,842,484,996.23/71,032.12
  6. Step 6: Final answer
    x = 54,095.04

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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.