Home / 54,998.72-75,899.37-31,125.39

Finding the Fourth Proportional to 54,998.72, 75,899.37 and 31,125.39

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Solution

The fourth proportional to 54,998.72, 75,899.37 and 31,125.39 is: 42,953.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,998.72 : 75,899.37 = 31,125.39 : x
  2. Step 2: Convert to fraction form
    54,998.72/75,899.37 = 31,125.39/x
  3. Step 3: Cross multiply
    54,998.72x = 75,899.37 × 31,125.39
  4. Step 4: Simplify right side
    54,998.72x = 2,362,397,492.00
  5. Step 5: Solve for x
    x = 2,362,397,492.00/54,998.72
  6. Step 6: Final answer
    x = 42,953.68

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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.