Home / 70,436.91-97,202.74-38,172.42

Finding the Fourth Proportional to 70,436.91, 97,202.74 and 38,172.42

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Solution

The fourth proportional to 70,436.91, 97,202.74 and 38,172.42 is: 52,677.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,436.91 : 97,202.74 = 38,172.42 : x
  2. Step 2: Convert to fraction form
    70,436.91/97,202.74 = 38,172.42/x
  3. Step 3: Cross multiply
    70,436.91x = 97,202.74 × 38,172.42
  4. Step 4: Simplify right side
    70,436.91x = 3,710,463,816.43
  5. Step 5: Solve for x
    x = 3,710,463,816.43/70,436.91
  6. Step 6: Final answer
    x = 52,677.83

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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.