Home / 53,904.10-80,856.15-50,404.90

Finding the Fourth Proportional to 53,904.10, 80,856.15 and 50,404.90

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Solution

The fourth proportional to 53,904.10, 80,856.15 and 50,404.90 is: 75,607.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,904.10 : 80,856.15 = 50,404.90 : x
  2. Step 2: Convert to fraction form
    53,904.10/80,856.15 = 50,404.90/x
  3. Step 3: Cross multiply
    53,904.10x = 80,856.15 × 50,404.90
  4. Step 4: Simplify right side
    53,904.10x = 4,075,546,155.14
  5. Step 5: Solve for x
    x = 4,075,546,155.14/53,904.10
  6. Step 6: Final answer
    x = 75,607.35

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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.