Home / 71,013.96-98,002.44-40,809.06

Finding the Fourth Proportional to 71,013.96, 98,002.44 and 40,809.06

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Solution

The fourth proportional to 71,013.96, 98,002.44 and 40,809.06 is: 56,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,013.96 : 98,002.44 = 40,809.06 : x
  2. Step 2: Convert to fraction form
    71,013.96/98,002.44 = 40,809.06/x
  3. Step 3: Cross multiply
    71,013.96x = 98,002.44 × 40,809.06
  4. Step 4: Simplify right side
    71,013.96x = 3,999,387,454.11
  5. Step 5: Solve for x
    x = 3,999,387,454.11/71,013.96
  6. Step 6: Final answer
    x = 56,318.33

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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.