Home / 54,877.44-75,726.72-31,004.16

Finding the Fourth Proportional to 54,877.44, 75,726.72 and 31,004.16

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Solution

The fourth proportional to 54,877.44, 75,726.72 and 31,004.16 is: 42,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,877.44 : 75,726.72 = 31,004.16 : x
  2. Step 2: Convert to fraction form
    54,877.44/75,726.72 = 31,004.16/x
  3. Step 3: Cross multiply
    54,877.44x = 75,726.72 × 31,004.16
  4. Step 4: Simplify right side
    54,877.44x = 2,347,843,343.16
  5. Step 5: Solve for x
    x = 2,347,843,343.16/54,877.44
  6. Step 6: Final answer
    x = 42,783.40

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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.