Home / 102,581.34-153,870.41-52,632.62

Finding the Fourth Proportional to 102,581.34, 153,870.41 and 52,632.62

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Solution

The fourth proportional to 102,581.34, 153,870.41 and 52,632.62 is: 78,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,581.34 : 153,870.41 = 52,632.62 : x
  2. Step 2: Convert to fraction form
    102,581.34/153,870.41 = 52,632.62/x
  3. Step 3: Cross multiply
    102,581.34x = 153,870.41 × 52,632.62
  4. Step 4: Simplify right side
    102,581.34x = 8,098,601,786.26
  5. Step 5: Solve for x
    x = 8,098,601,786.26/102,581.34
  6. Step 6: Final answer
    x = 78,948.10

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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.