Home / 56,817.16-85,225.80-30,688.04

Finding the Fourth Proportional to 56,817.16, 85,225.80 and 30,688.04

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Solution

The fourth proportional to 56,817.16, 85,225.80 and 30,688.04 is: 46,032.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,817.16 : 85,225.80 = 30,688.04 : x
  2. Step 2: Convert to fraction form
    56,817.16/85,225.80 = 30,688.04/x
  3. Step 3: Cross multiply
    56,817.16x = 85,225.80 × 30,688.04
  4. Step 4: Simplify right side
    56,817.16x = 2,615,412,759.43
  5. Step 5: Solve for x
    x = 2,615,412,759.43/56,817.16
  6. Step 6: Final answer
    x = 46,032.09

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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.