Home / 70,802.20-97,705.16-38,537.44

Finding the Fourth Proportional to 70,802.20, 97,705.16 and 38,537.44

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Solution

The fourth proportional to 70,802.20, 97,705.16 and 38,537.44 is: 53,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,802.20 : 97,705.16 = 38,537.44 : x
  2. Step 2: Convert to fraction form
    70,802.20/97,705.16 = 38,537.44/x
  3. Step 3: Cross multiply
    70,802.20x = 97,705.16 × 38,537.44
  4. Step 4: Simplify right side
    70,802.20x = 3,765,306,741.19
  5. Step 5: Solve for x
    x = 3,765,306,741.19/70,802.20
  6. Step 6: Final answer
    x = 53,180.65

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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.