Home / 72,032.05-108,064.13-22,116.50

Finding the Fourth Proportional to 72,032.05, 108,064.13 and 22,116.50

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Solution

The fourth proportional to 72,032.05, 108,064.13 and 22,116.50 is: 33,179.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,032.05 : 108,064.13 = 22,116.50 : x
  2. Step 2: Convert to fraction form
    72,032.05/108,064.13 = 22,116.50/x
  3. Step 3: Cross multiply
    72,032.05x = 108,064.13 × 22,116.50
  4. Step 4: Simplify right side
    72,032.05x = 2,389,999,680.24
  5. Step 5: Solve for x
    x = 2,389,999,680.24/72,032.05
  6. Step 6: Final answer
    x = 33,179.67

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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.