Home / 97,530.42-146,280.68-30,961.92

Finding the Fourth Proportional to 97,530.42, 146,280.68 and 30,961.92

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Solution

The fourth proportional to 97,530.42, 146,280.68 and 30,961.92 is: 46,438.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,530.42 : 146,280.68 = 30,961.92 : x
  2. Step 2: Convert to fraction form
    97,530.42/146,280.68 = 30,961.92/x
  3. Step 3: Cross multiply
    97,530.42x = 146,280.68 × 30,961.92
  4. Step 4: Simplify right side
    97,530.42x = 4,529,130,711.71
  5. Step 5: Solve for x
    x = 4,529,130,711.71/97,530.42
  6. Step 6: Final answer
    x = 46,438.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.