Home / 48,705.70-73,063.68-15,430.36

Finding the Fourth Proportional to 48,705.70, 73,063.68 and 15,430.36

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Solution

The fourth proportional to 48,705.70, 73,063.68 and 15,430.36 is: 23,147.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,705.70 : 73,063.68 = 15,430.36 : x
  2. Step 2: Convert to fraction form
    48,705.70/73,063.68 = 15,430.36/x
  3. Step 3: Cross multiply
    48,705.70x = 73,063.68 × 15,430.36
  4. Step 4: Simplify right side
    48,705.70x = 1,127,398,885.32
  5. Step 5: Solve for x
    x = 1,127,398,885.32/48,705.70
  6. Step 6: Final answer
    x = 23,147.17

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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.