Home / 57,970.20-86,825.70-44,779.80

Finding the Fourth Proportional to 57,970.20, 86,825.70 and 44,779.80

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Solution

The fourth proportional to 57,970.20, 86,825.70 and 44,779.80 is: 67,069.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,970.20 : 86,825.70 = 44,779.80 : x
  2. Step 2: Convert to fraction form
    57,970.20/86,825.70 = 44,779.80/x
  3. Step 3: Cross multiply
    57,970.20x = 86,825.70 × 44,779.80
  4. Step 4: Simplify right side
    57,970.20x = 3,888,037,480.86
  5. Step 5: Solve for x
    x = 3,888,037,480.86/57,970.20
  6. Step 6: Final answer
    x = 67,069.59

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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.