Home / 84,330.13-126,495.07-22,000.63

Finding the Fourth Proportional to 84,330.13, 126,495.07 and 22,000.63

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Solution

The fourth proportional to 84,330.13, 126,495.07 and 22,000.63 is: 33,000.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,330.13 : 126,495.07 = 22,000.63 : x
  2. Step 2: Convert to fraction form
    84,330.13/126,495.07 = 22,000.63/x
  3. Step 3: Cross multiply
    84,330.13x = 126,495.07 × 22,000.63
  4. Step 4: Simplify right side
    84,330.13x = 2,782,971,231.89
  5. Step 5: Solve for x
    x = 2,782,971,231.89/84,330.13
  6. Step 6: Final answer
    x = 33,000.91

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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.