Home / 83,890.37-115,765.21-46,162.19

Finding the Fourth Proportional to 83,890.37, 115,765.21 and 46,162.19

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Solution

The fourth proportional to 83,890.37, 115,765.21 and 46,162.19 is: 63,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,890.37 : 115,765.21 = 46,162.19 : x
  2. Step 2: Convert to fraction form
    83,890.37/115,765.21 = 46,162.19/x
  3. Step 3: Cross multiply
    83,890.37x = 115,765.21 × 46,162.19
  4. Step 4: Simplify right side
    83,890.37x = 5,343,975,619.41
  5. Step 5: Solve for x
    x = 5,343,975,619.41/83,890.37
  6. Step 6: Final answer
    x = 63,701.90

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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.