Home / 83,775.35-115,636.94-53,641.86

Finding the Fourth Proportional to 83,775.35, 115,636.94 and 53,641.86

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Solution

The fourth proportional to 83,775.35, 115,636.94 and 53,641.86 is: 74,043.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,775.35 : 115,636.94 = 53,641.86 : x
  2. Step 2: Convert to fraction form
    83,775.35/115,636.94 = 53,641.86/x
  3. Step 3: Cross multiply
    83,775.35x = 115,636.94 × 53,641.86
  4. Step 4: Simplify right side
    83,775.35x = 6,202,980,278.10
  5. Step 5: Solve for x
    x = 6,202,980,278.10/83,775.35
  6. Step 6: Final answer
    x = 74,043.03

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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.