Home / 145,013.26-217,530.26-60,688.52

Finding the Fourth Proportional to 145,013.26, 217,530.26 and 60,688.52

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Solution

The fourth proportional to 145,013.26, 217,530.26 and 60,688.52 is: 91,037.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,013.26 : 217,530.26 = 60,688.52 : x
  2. Step 2: Convert to fraction form
    145,013.26/217,530.26 = 60,688.52/x
  3. Step 3: Cross multiply
    145,013.26x = 217,530.26 × 60,688.52
  4. Step 4: Simplify right side
    145,013.26x = 13,201,589,534.62
  5. Step 5: Solve for x
    x = 13,201,589,534.62/145,013.26
  6. Step 6: Final answer
    x = 91,037.12

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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.