Home / 97,870.42-134,932.68-70,623.64

Finding the Fourth Proportional to 97,870.42, 134,932.68 and 70,623.64

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Solution

The fourth proportional to 97,870.42, 134,932.68 and 70,623.64 is: 97,367.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,870.42 : 134,932.68 = 70,623.64 : x
  2. Step 2: Convert to fraction form
    97,870.42/134,932.68 = 70,623.64/x
  3. Step 3: Cross multiply
    97,870.42x = 134,932.68 × 70,623.64
  4. Step 4: Simplify right side
    97,870.42x = 9,529,437,016.56
  5. Step 5: Solve for x
    x = 9,529,437,016.56/97,870.42
  6. Step 6: Final answer
    x = 97,367.90

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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.