Home / 113,057.75-156,021.52-62,756.75

Finding the Fourth Proportional to 113,057.75, 156,021.52 and 62,756.75

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Solution

The fourth proportional to 113,057.75, 156,021.52 and 62,756.75 is: 86,605.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,057.75 : 156,021.52 = 62,756.75 : x
  2. Step 2: Convert to fraction form
    113,057.75/156,021.52 = 62,756.75/x
  3. Step 3: Cross multiply
    113,057.75x = 156,021.52 × 62,756.75
  4. Step 4: Simplify right side
    113,057.75x = 9,791,403,525.26
  5. Step 5: Solve for x
    x = 9,791,403,525.26/113,057.75
  6. Step 6: Final answer
    x = 86,605.33

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1.5x scale

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.