Home / 55,214.50-76,193.72-31,340.74

Finding the Fourth Proportional to 55,214.50, 76,193.72 and 31,340.74

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Solution

The fourth proportional to 55,214.50, 76,193.72 and 31,340.74 is: 43,248.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,214.50 : 76,193.72 = 31,340.74 : x
  2. Step 2: Convert to fraction form
    55,214.50/76,193.72 = 31,340.74/x
  3. Step 3: Cross multiply
    55,214.50x = 76,193.72 × 31,340.74
  4. Step 4: Simplify right side
    55,214.50x = 2,387,967,568.15
  5. Step 5: Solve for x
    x = 2,387,967,568.15/55,214.50
  6. Step 6: Final answer
    x = 43,248.92

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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.