Home / 70,744.25-97,640.93-40,549.81

Finding the Fourth Proportional to 70,744.25, 97,640.93 and 40,549.81

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Solution

The fourth proportional to 70,744.25, 97,640.93 and 40,549.81 is: 55,966.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,744.25 : 97,640.93 = 40,549.81 : x
  2. Step 2: Convert to fraction form
    70,744.25/97,640.93 = 40,549.81/x
  3. Step 3: Cross multiply
    70,744.25x = 97,640.93 × 40,549.81
  4. Step 4: Simplify right side
    70,744.25x = 3,959,321,159.72
  5. Step 5: Solve for x
    x = 3,959,321,159.72/70,744.25
  6. Step 6: Final answer
    x = 55,966.69

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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.