Home / 71,081.56-98,092.76-38,816.48

Finding the Fourth Proportional to 71,081.56, 98,092.76 and 38,816.48

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Solution

The fourth proportional to 71,081.56, 98,092.76 and 38,816.48 is: 53,566.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,081.56 : 98,092.76 = 38,816.48 : x
  2. Step 2: Convert to fraction form
    71,081.56/98,092.76 = 38,816.48/x
  3. Step 3: Cross multiply
    71,081.56x = 98,092.76 × 38,816.48
  4. Step 4: Simplify right side
    71,081.56x = 3,807,615,457.76
  5. Step 5: Solve for x
    x = 3,807,615,457.76/71,081.56
  6. Step 6: Final answer
    x = 53,566.85

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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.