Home / 53,285.61-79,928.28-50,037.78

Finding the Fourth Proportional to 53,285.61, 79,928.28 and 50,037.78

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Solution

The fourth proportional to 53,285.61, 79,928.28 and 50,037.78 is: 75,056.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,285.61 : 79,928.28 = 50,037.78 : x
  2. Step 2: Convert to fraction form
    53,285.61/79,928.28 = 50,037.78/x
  3. Step 3: Cross multiply
    53,285.61x = 79,928.28 × 50,037.78
  4. Step 4: Simplify right side
    53,285.61x = 3,999,433,690.42
  5. Step 5: Solve for x
    x = 3,999,433,690.42/53,285.61
  6. Step 6: Final answer
    x = 75,056.54

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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.