Home / 66,572.46-91,827.81-50,621.94

Finding the Fourth Proportional to 66,572.46, 91,827.81 and 50,621.94

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Solution

The fourth proportional to 66,572.46, 91,827.81 and 50,621.94 is: 69,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,572.46 : 91,827.81 = 50,621.94 : x
  2. Step 2: Convert to fraction form
    66,572.46/91,827.81 = 50,621.94/x
  3. Step 3: Cross multiply
    66,572.46x = 91,827.81 × 50,621.94
  4. Step 4: Simplify right side
    66,572.46x = 4,648,501,888.15
  5. Step 5: Solve for x
    x = 4,648,501,888.15/66,572.46
  6. Step 6: Final answer
    x = 69,826.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.