Home / 60,845.40-91,268.28-18,725.22

Finding the Fourth Proportional to 60,845.40, 91,268.28 and 18,725.22

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Solution

The fourth proportional to 60,845.40, 91,268.28 and 18,725.22 is: 28,087.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,845.40 : 91,268.28 = 18,725.22 : x
  2. Step 2: Convert to fraction form
    60,845.40/91,268.28 = 18,725.22/x
  3. Step 3: Cross multiply
    60,845.40x = 91,268.28 × 18,725.22
  4. Step 4: Simplify right side
    60,845.40x = 1,709,018,622.02
  5. Step 5: Solve for x
    x = 1,709,018,622.02/60,845.40
  6. Step 6: Final answer
    x = 28,087.89

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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.