Home / 54,780.63-75,528.75-45,719.02

Finding the Fourth Proportional to 54,780.63, 75,528.75 and 45,719.02

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Solution

The fourth proportional to 54,780.63, 75,528.75 and 45,719.02 is: 63,035.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,780.63 : 75,528.75 = 45,719.02 : x
  2. Step 2: Convert to fraction form
    54,780.63/75,528.75 = 45,719.02/x
  3. Step 3: Cross multiply
    54,780.63x = 75,528.75 × 45,719.02
  4. Step 4: Simplify right side
    54,780.63x = 3,453,100,431.83
  5. Step 5: Solve for x
    x = 3,453,100,431.83/54,780.63
  6. Step 6: Final answer
    x = 63,035.06

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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.