Home / 53,380.14-80,425.98-48,320.42

Finding the Fourth Proportional to 53,380.14, 80,425.98 and 48,320.42

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Solution

The fourth proportional to 53,380.14, 80,425.98 and 48,320.42 is: 72,802.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,380.14 : 80,425.98 = 48,320.42 : x
  2. Step 2: Convert to fraction form
    53,380.14/80,425.98 = 48,320.42/x
  3. Step 3: Cross multiply
    53,380.14x = 80,425.98 × 48,320.42
  4. Step 4: Simplify right side
    53,380.14x = 3,886,217,132.51
  5. Step 5: Solve for x
    x = 3,886,217,132.51/53,380.14
  6. Step 6: Final answer
    x = 72,802.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.