Home / 85,496.46-128,244.70-23,166.96

Finding the Fourth Proportional to 85,496.46, 128,244.70 and 23,166.96

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Solution

The fourth proportional to 85,496.46, 128,244.70 and 23,166.96 is: 34,750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,496.46 : 128,244.70 = 23,166.96 : x
  2. Step 2: Convert to fraction form
    85,496.46/128,244.70 = 23,166.96/x
  3. Step 3: Cross multiply
    85,496.46x = 128,244.70 × 23,166.96
  4. Step 4: Simplify right side
    85,496.46x = 2,971,039,835.11
  5. Step 5: Solve for x
    x = 2,971,039,835.11/85,496.46
  6. Step 6: Final answer
    x = 34,750.44

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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.