Home / 61,719.20-92,612.40-33,637.60

Finding the Fourth Proportional to 61,719.20, 92,612.40 and 33,637.60

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Solution

The fourth proportional to 61,719.20, 92,612.40 and 33,637.60 is: 50,474.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,719.20 : 92,612.40 = 33,637.60 : x
  2. Step 2: Convert to fraction form
    61,719.20/92,612.40 = 33,637.60/x
  3. Step 3: Cross multiply
    61,719.20x = 92,612.40 × 33,637.60
  4. Step 4: Simplify right side
    61,719.20x = 3,115,258,866.24
  5. Step 5: Solve for x
    x = 3,115,258,866.24/61,719.20
  6. Step 6: Final answer
    x = 50,474.71

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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.