Home / 109,358.04-150,914.10-61,611.36

Finding the Fourth Proportional to 109,358.04, 150,914.10 and 61,611.36

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Solution

The fourth proportional to 109,358.04, 150,914.10 and 61,611.36 is: 85,023.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,358.04 : 150,914.10 = 61,611.36 : x
  2. Step 2: Convert to fraction form
    109,358.04/150,914.10 = 61,611.36/x
  3. Step 3: Cross multiply
    109,358.04x = 150,914.10 × 61,611.36
  4. Step 4: Simplify right side
    109,358.04x = 9,298,022,944.18
  5. Step 5: Solve for x
    x = 9,298,022,944.18/109,358.04
  6. Step 6: Final answer
    x = 85,023.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.