Home / 53,428.50-80,142.89-22,263.75

Finding the Fourth Proportional to 53,428.50, 80,142.89 and 22,263.75

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Solution

The fourth proportional to 53,428.50, 80,142.89 and 22,263.75 is: 33,395.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,428.50 : 80,142.89 = 22,263.75 : x
  2. Step 2: Convert to fraction form
    53,428.50/80,142.89 = 22,263.75/x
  3. Step 3: Cross multiply
    53,428.50x = 80,142.89 × 22,263.75
  4. Step 4: Simplify right side
    53,428.50x = 1,784,281,155.92
  5. Step 5: Solve for x
    x = 1,784,281,155.92/53,428.50
  6. Step 6: Final answer
    x = 33,395.68

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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.