Home / 70,975.62-97,844.55-55,842.18

Finding the Fourth Proportional to 70,975.62, 97,844.55 and 55,842.18

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Solution

The fourth proportional to 70,975.62, 97,844.55 and 55,842.18 is: 76,982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,975.62 : 97,844.55 = 55,842.18 : x
  2. Step 2: Convert to fraction form
    70,975.62/97,844.55 = 55,842.18/x
  3. Step 3: Cross multiply
    70,975.62x = 97,844.55 × 55,842.18
  4. Step 4: Simplify right side
    70,975.62x = 5,463,852,973.12
  5. Step 5: Solve for x
    x = 5,463,852,973.12/70,975.62
  6. Step 6: Final answer
    x = 76,982.11

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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.