Home / 66,301.24-99,457.32-28,862.56

Finding the Fourth Proportional to 66,301.24, 99,457.32 and 28,862.56

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Solution

The fourth proportional to 66,301.24, 99,457.32 and 28,862.56 is: 43,296.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,301.24 : 99,457.32 = 28,862.56 : x
  2. Step 2: Convert to fraction form
    66,301.24/99,457.32 = 28,862.56/x
  3. Step 3: Cross multiply
    66,301.24x = 99,457.32 × 28,862.56
  4. Step 4: Simplify right side
    66,301.24x = 2,870,592,865.94
  5. Step 5: Solve for x
    x = 2,870,592,865.94/66,301.24
  6. Step 6: Final answer
    x = 43,296.22

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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.