Home / 85,336.13-128,004.20-23,006.63

Finding the Fourth Proportional to 85,336.13, 128,004.20 and 23,006.63

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Solution

The fourth proportional to 85,336.13, 128,004.20 and 23,006.63 is: 34,509.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,336.13 : 128,004.20 = 23,006.63 : x
  2. Step 2: Convert to fraction form
    85,336.13/128,004.20 = 23,006.63/x
  3. Step 3: Cross multiply
    85,336.13x = 128,004.20 × 23,006.63
  4. Step 4: Simplify right side
    85,336.13x = 2,944,944,512.79
  5. Step 5: Solve for x
    x = 2,944,944,512.79/85,336.13
  6. Step 6: Final answer
    x = 34,509.94

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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.