Home / 69,720.63-96,214.22-39,511.71

Finding the Fourth Proportional to 69,720.63, 96,214.22 and 39,511.71

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Solution

The fourth proportional to 69,720.63, 96,214.22 and 39,511.71 is: 54,526.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,720.63 : 96,214.22 = 39,511.71 : x
  2. Step 2: Convert to fraction form
    69,720.63/96,214.22 = 39,511.71/x
  3. Step 3: Cross multiply
    69,720.63x = 96,214.22 × 39,511.71
  4. Step 4: Simplify right side
    69,720.63x = 3,801,588,160.96
  5. Step 5: Solve for x
    x = 3,801,588,160.96/69,720.63
  6. Step 6: Final answer
    x = 54,526.02

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1.5x scale

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.