Home / 96,686.24-145,043.20-42,711.04

Finding the Fourth Proportional to 96,686.24, 145,043.20 and 42,711.04

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Solution

The fourth proportional to 96,686.24, 145,043.20 and 42,711.04 is: 64,072.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,686.24 : 145,043.20 = 42,711.04 : x
  2. Step 2: Convert to fraction form
    96,686.24/145,043.20 = 42,711.04/x
  3. Step 3: Cross multiply
    96,686.24x = 145,043.20 × 42,711.04
  4. Step 4: Simplify right side
    96,686.24x = 6,194,945,916.93
  5. Step 5: Solve for x
    x = 6,194,945,916.93/96,686.24
  6. Step 6: Final answer
    x = 64,072.67

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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.