Home / 53,720.30-74,133.47-29,846.46

Finding the Fourth Proportional to 53,720.30, 74,133.47 and 29,846.46

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Solution

The fourth proportional to 53,720.30, 74,133.47 and 29,846.46 is: 41,187.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,720.30 : 74,133.47 = 29,846.46 : x
  2. Step 2: Convert to fraction form
    53,720.30/74,133.47 = 29,846.46/x
  3. Step 3: Cross multiply
    53,720.30x = 74,133.47 × 29,846.46
  4. Step 4: Simplify right side
    53,720.30x = 2,212,621,497.78
  5. Step 5: Solve for x
    x = 2,212,621,497.78/53,720.30
  6. Step 6: Final answer
    x = 41,187.81

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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.