Home / 83,812.40-115,658.12-46,086.32

Finding the Fourth Proportional to 83,812.40, 115,658.12 and 46,086.32

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Solution

The fourth proportional to 83,812.40, 115,658.12 and 46,086.32 is: 63,597.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,812.40 : 115,658.12 = 46,086.32 : x
  2. Step 2: Convert to fraction form
    83,812.40/115,658.12 = 46,086.32/x
  3. Step 3: Cross multiply
    83,812.40x = 115,658.12 × 46,086.32
  4. Step 4: Simplify right side
    83,812.40x = 5,330,257,128.92
  5. Step 5: Solve for x
    x = 5,330,257,128.92/83,812.40
  6. Step 6: Final answer
    x = 63,597.48

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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.