Home / 53,661.66-74,056.53-31,001.61

Finding the Fourth Proportional to 53,661.66, 74,056.53 and 31,001.61

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Solution

The fourth proportional to 53,661.66, 74,056.53 and 31,001.61 is: 42,784.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,661.66 : 74,056.53 = 31,001.61 : x
  2. Step 2: Convert to fraction form
    53,661.66/74,056.53 = 31,001.61/x
  3. Step 3: Cross multiply
    53,661.66x = 74,056.53 × 31,001.61
  4. Step 4: Simplify right side
    53,661.66x = 2,295,871,661.01
  5. Step 5: Solve for x
    x = 2,295,871,661.01/53,661.66
  6. Step 6: Final answer
    x = 42,784.21

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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.