Home / 109,416.60-164,059.20-42,777.27

Finding the Fourth Proportional to 109,416.60, 164,059.20 and 42,777.27

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Solution

The fourth proportional to 109,416.60, 164,059.20 and 42,777.27 is: 64,140.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,416.60 : 164,059.20 = 42,777.27 : x
  2. Step 2: Convert to fraction form
    109,416.60/164,059.20 = 42,777.27/x
  3. Step 3: Cross multiply
    109,416.60x = 164,059.20 × 42,777.27
  4. Step 4: Simplify right side
    109,416.60x = 7,018,004,694.38
  5. Step 5: Solve for x
    x = 7,018,004,694.38/109,416.60
  6. Step 6: Final answer
    x = 64,140.22

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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.