Home / 102,079.08-153,138.67-35,521.38

Finding the Fourth Proportional to 102,079.08, 153,138.67 and 35,521.38

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Solution

The fourth proportional to 102,079.08, 153,138.67 and 35,521.38 is: 53,289.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,079.08 : 153,138.67 = 35,521.38 : x
  2. Step 2: Convert to fraction form
    102,079.08/153,138.67 = 35,521.38/x
  3. Step 3: Cross multiply
    102,079.08x = 153,138.67 × 35,521.38
  4. Step 4: Simplify right side
    102,079.08x = 5,439,696,800.96
  5. Step 5: Solve for x
    x = 5,439,696,800.96/102,079.08
  6. Step 6: Final answer
    x = 53,289.05

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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.