Home / 70,744.04-97,640.62-40,549.58

Finding the Fourth Proportional to 70,744.04, 97,640.62 and 40,549.58

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Solution

The fourth proportional to 70,744.04, 97,640.62 and 40,549.58 is: 55,966.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,744.04 : 97,640.62 = 40,549.58 : x
  2. Step 2: Convert to fraction form
    70,744.04/97,640.62 = 40,549.58/x
  3. Step 3: Cross multiply
    70,744.04x = 97,640.62 × 40,549.58
  4. Step 4: Simplify right side
    70,744.04x = 3,959,286,131.94
  5. Step 5: Solve for x
    x = 3,959,286,131.94/70,744.04
  6. Step 6: Final answer
    x = 55,966.36

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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.