Home / 73,123.12-109,688.58-23,207.12

Finding the Fourth Proportional to 73,123.12, 109,688.58 and 23,207.12

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Solution

The fourth proportional to 73,123.12, 109,688.58 and 23,207.12 is: 34,811.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,123.12 : 109,688.58 = 23,207.12 : x
  2. Step 2: Convert to fraction form
    73,123.12/109,688.58 = 23,207.12/x
  3. Step 3: Cross multiply
    73,123.12x = 109,688.58 × 23,207.12
  4. Step 4: Simplify right side
    73,123.12x = 2,545,556,038.69
  5. Step 5: Solve for x
    x = 2,545,556,038.69/73,123.12
  6. Step 6: Final answer
    x = 34,811.92

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1.5x scale

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.