Home / 109,611.10-164,368.05-50,416.30

Finding the Fourth Proportional to 109,611.10, 164,368.05 and 50,416.30

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Solution

The fourth proportional to 109,611.10, 164,368.05 and 50,416.30 is: 75,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,611.10 : 164,368.05 = 50,416.30 : x
  2. Step 2: Convert to fraction form
    109,611.10/164,368.05 = 50,416.30/x
  3. Step 3: Cross multiply
    109,611.10x = 164,368.05 × 50,416.30
  4. Step 4: Simplify right side
    109,611.10x = 8,286,828,919.22
  5. Step 5: Solve for x
    x = 8,286,828,919.22/109,611.10
  6. Step 6: Final answer
    x = 75,602.10

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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.