Home / 102,521.38-153,792.93-43,363.03

Finding the Fourth Proportional to 102,521.38, 153,792.93 and 43,363.03

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Solution

The fourth proportional to 102,521.38, 153,792.93 and 43,363.03 is: 65,049.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,521.38 : 153,792.93 = 43,363.03 : x
  2. Step 2: Convert to fraction form
    102,521.38/153,792.93 = 43,363.03/x
  3. Step 3: Cross multiply
    102,521.38x = 153,792.93 × 43,363.03
  4. Step 4: Simplify right side
    102,521.38x = 6,668,927,437.38
  5. Step 5: Solve for x
    x = 6,668,927,437.38/102,521.38
  6. Step 6: Final answer
    x = 65,049.14

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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.