Home / 54,963.48-75,849.59-31,089.63

Finding the Fourth Proportional to 54,963.48, 75,849.59 and 31,089.63

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Solution

The fourth proportional to 54,963.48, 75,849.59 and 31,089.63 is: 42,903.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,963.48 : 75,849.59 = 31,089.63 : x
  2. Step 2: Convert to fraction form
    54,963.48/75,849.59 = 31,089.63/x
  3. Step 3: Cross multiply
    54,963.48x = 75,849.59 × 31,089.63
  4. Step 4: Simplify right side
    54,963.48x = 2,358,135,533.30
  5. Step 5: Solve for x
    x = 2,358,135,533.30/54,963.48
  6. Step 6: Final answer
    x = 42,903.68

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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.