Home / 53,000.33-73,140.44-29,128.55

Finding the Fourth Proportional to 53,000.33, 73,140.44 and 29,128.55

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Solution

The fourth proportional to 53,000.33, 73,140.44 and 29,128.55 is: 40,197.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,000.33 : 73,140.44 = 29,128.55 : x
  2. Step 2: Convert to fraction form
    53,000.33/73,140.44 = 29,128.55/x
  3. Step 3: Cross multiply
    53,000.33x = 73,140.44 × 29,128.55
  4. Step 4: Simplify right side
    53,000.33x = 2,130,474,452.22
  5. Step 5: Solve for x
    x = 2,130,474,452.22/53,000.33
  6. Step 6: Final answer
    x = 40,197.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.