Home / 53,901.87-80,754.28-39,074.01

Finding the Fourth Proportional to 53,901.87, 80,754.28 and 39,074.01

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Solution

The fourth proportional to 53,901.87, 80,754.28 and 39,074.01 is: 58,539.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,901.87 : 80,754.28 = 39,074.01 : x
  2. Step 2: Convert to fraction form
    53,901.87/80,754.28 = 39,074.01/x
  3. Step 3: Cross multiply
    53,901.87x = 80,754.28 × 39,074.01
  4. Step 4: Simplify right side
    53,901.87x = 3,155,392,945.12
  5. Step 5: Solve for x
    x = 3,155,392,945.12/53,901.87
  6. Step 6: Final answer
    x = 58,539.59

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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.