Home / 66,511.56-99,244.05-64,256.52

Finding the Fourth Proportional to 66,511.56, 99,244.05 and 64,256.52

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Solution

The fourth proportional to 66,511.56, 99,244.05 and 64,256.52 is: 95,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,511.56 : 99,244.05 = 64,256.52 : x
  2. Step 2: Convert to fraction form
    66,511.56/99,244.05 = 64,256.52/x
  3. Step 3: Cross multiply
    66,511.56x = 99,244.05 × 64,256.52
  4. Step 4: Simplify right side
    66,511.56x = 6,377,077,283.71
  5. Step 5: Solve for x
    x = 6,377,077,283.71/66,511.56
  6. Step 6: Final answer
    x = 95,879.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.