Home / 54,201.21-81,301.35-42,364.93

Finding the Fourth Proportional to 54,201.21, 81,301.35 and 42,364.93

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Solution

The fourth proportional to 54,201.21, 81,301.35 and 42,364.93 is: 63,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,201.21 : 81,301.35 = 42,364.93 : x
  2. Step 2: Convert to fraction form
    54,201.21/81,301.35 = 42,364.93/x
  3. Step 3: Cross multiply
    54,201.21x = 81,301.35 × 42,364.93
  4. Step 4: Simplify right side
    54,201.21x = 3,444,325,680.80
  5. Step 5: Solve for x
    x = 3,444,325,680.80/54,201.21
  6. Step 6: Final answer
    x = 63,547.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.