Home / 103,562.55-142,917.15-57,622.86

Finding the Fourth Proportional to 103,562.55, 142,917.15 and 57,622.86

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Solution

The fourth proportional to 103,562.55, 142,917.15 and 57,622.86 is: 79,520.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,562.55 : 142,917.15 = 57,622.86 : x
  2. Step 2: Convert to fraction form
    103,562.55/142,917.15 = 57,622.86/x
  3. Step 3: Cross multiply
    103,562.55x = 142,917.15 × 57,622.86
  4. Step 4: Simplify right side
    103,562.55x = 8,235,294,926.05
  5. Step 5: Solve for x
    x = 8,235,294,926.05/103,562.55
  6. Step 6: Final answer
    x = 79,520.01

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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.