Home / 53,019.08-73,164.47-29,145.58

Finding the Fourth Proportional to 53,019.08, 73,164.47 and 29,145.58

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Solution

The fourth proportional to 53,019.08, 73,164.47 and 29,145.58 is: 40,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,019.08 : 73,164.47 = 29,145.58 : x
  2. Step 2: Convert to fraction form
    53,019.08/73,164.47 = 29,145.58/x
  3. Step 3: Cross multiply
    53,019.08x = 73,164.47 × 29,145.58
  4. Step 4: Simplify right side
    53,019.08x = 2,132,420,913.54
  5. Step 5: Solve for x
    x = 2,132,420,913.54/53,019.08
  6. Step 6: Final answer
    x = 40,219.88

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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.