Home / 56,820.53-84,559.90-54,928.43

Finding the Fourth Proportional to 56,820.53, 84,559.90 and 54,928.43

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Solution

The fourth proportional to 56,820.53, 84,559.90 and 54,928.43 is: 81,744.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,820.53 : 84,559.90 = 54,928.43 : x
  2. Step 2: Convert to fraction form
    56,820.53/84,559.90 = 54,928.43/x
  3. Step 3: Cross multiply
    56,820.53x = 84,559.90 × 54,928.43
  4. Step 4: Simplify right side
    56,820.53x = 4,644,742,547.96
  5. Step 5: Solve for x
    x = 4,644,742,547.96/56,820.53
  6. Step 6: Final answer
    x = 81,744.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.