Home / 61,812.59-85,289.49-39,155.27

Finding the Fourth Proportional to 61,812.59, 85,289.49 and 39,155.27

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Solution

The fourth proportional to 61,812.59, 85,289.49 and 39,155.27 is: 54,026.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,812.59 : 85,289.49 = 39,155.27 : x
  2. Step 2: Convert to fraction form
    61,812.59/85,289.49 = 39,155.27/x
  3. Step 3: Cross multiply
    61,812.59x = 85,289.49 × 39,155.27
  4. Step 4: Simplify right side
    61,812.59x = 3,339,532,582.66
  5. Step 5: Solve for x
    x = 3,339,532,582.66/61,812.59
  6. Step 6: Final answer
    x = 54,026.74

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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.