Home / 83,867.76-115,735.14-46,142.01

Finding the Fourth Proportional to 83,867.76, 115,735.14 and 46,142.01

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Solution

The fourth proportional to 83,867.76, 115,735.14 and 46,142.01 is: 63,674.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,867.76 : 115,735.14 = 46,142.01 : x
  2. Step 2: Convert to fraction form
    83,867.76/115,735.14 = 46,142.01/x
  3. Step 3: Cross multiply
    83,867.76x = 115,735.14 × 46,142.01
  4. Step 4: Simplify right side
    83,867.76x = 5,340,251,987.23
  5. Step 5: Solve for x
    x = 5,340,251,987.23/83,867.76
  6. Step 6: Final answer
    x = 63,674.67

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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.