Home / 53,869.80-80,934.30-48,167.40

Finding the Fourth Proportional to 53,869.80, 80,934.30 and 48,167.40

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Solution

The fourth proportional to 53,869.80, 80,934.30 and 48,167.40 is: 72,366.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,869.80 : 80,934.30 = 48,167.40 : x
  2. Step 2: Convert to fraction form
    53,869.80/80,934.30 = 48,167.40/x
  3. Step 3: Cross multiply
    53,869.80x = 80,934.30 × 48,167.40
  4. Step 4: Simplify right side
    53,869.80x = 3,898,394,801.82
  5. Step 5: Solve for x
    x = 3,898,394,801.82/53,869.80
  6. Step 6: Final answer
    x = 72,366.98

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1.5x scale

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.