Home / 65,477.23-98,215.86-18,730.11

Finding the Fourth Proportional to 65,477.23, 98,215.86 and 18,730.11

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Solution

The fourth proportional to 65,477.23, 98,215.86 and 18,730.11 is: 28,095.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,477.23 : 98,215.86 = 18,730.11 : x
  2. Step 2: Convert to fraction form
    65,477.23/98,215.86 = 18,730.11/x
  3. Step 3: Cross multiply
    65,477.23x = 98,215.86 × 18,730.11
  4. Step 4: Simplify right side
    65,477.23x = 1,839,593,861.54
  5. Step 5: Solve for x
    x = 1,839,593,861.54/65,477.23
  6. Step 6: Final answer
    x = 28,095.17

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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.