Home / 53,725.05-74,140.90-29,525.76

Finding the Fourth Proportional to 53,725.05, 74,140.90 and 29,525.76

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Solution

The fourth proportional to 53,725.05, 74,140.90 and 29,525.76 is: 40,745.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,725.05 : 74,140.90 = 29,525.76 : x
  2. Step 2: Convert to fraction form
    53,725.05/74,140.90 = 29,525.76/x
  3. Step 3: Cross multiply
    53,725.05x = 74,140.90 × 29,525.76
  4. Step 4: Simplify right side
    53,725.05x = 2,189,066,345.77
  5. Step 5: Solve for x
    x = 2,189,066,345.77/53,725.05
  6. Step 6: Final answer
    x = 40,745.73

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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.