Home / 71,665.04-98,901.26-39,833.25

Finding the Fourth Proportional to 71,665.04, 98,901.26 and 39,833.25

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Solution

The fourth proportional to 71,665.04, 98,901.26 and 39,833.25 is: 54,971.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,665.04 : 98,901.26 = 39,833.25 : x
  2. Step 2: Convert to fraction form
    71,665.04/98,901.26 = 39,833.25/x
  3. Step 3: Cross multiply
    71,665.04x = 98,901.26 × 39,833.25
  4. Step 4: Simplify right side
    71,665.04x = 3,939,558,415.73
  5. Step 5: Solve for x
    x = 3,939,558,415.73/71,665.04
  6. Step 6: Final answer
    x = 54,971.83

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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.