Home / 45,054.83-62,162.01-31,442.51

Finding the Fourth Proportional to 45,054.83, 62,162.01 and 31,442.51

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Solution

The fourth proportional to 45,054.83, 62,162.01 and 31,442.51 is: 43,381.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,054.83 : 62,162.01 = 31,442.51 : x
  2. Step 2: Convert to fraction form
    45,054.83/62,162.01 = 31,442.51/x
  3. Step 3: Cross multiply
    45,054.83x = 62,162.01 × 31,442.51
  4. Step 4: Simplify right side
    45,054.83x = 1,954,529,621.05
  5. Step 5: Solve for x
    x = 1,954,529,621.05/45,054.83
  6. Step 6: Final answer
    x = 43,381.13

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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.