Home / 76,342.28-105,352.38-46,534.28

Finding the Fourth Proportional to 76,342.28, 105,352.38 and 46,534.28

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Solution

The fourth proportional to 76,342.28, 105,352.38 and 46,534.28 is: 64,217.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,342.28 : 105,352.38 = 46,534.28 : x
  2. Step 2: Convert to fraction form
    76,342.28/105,352.38 = 46,534.28/x
  3. Step 3: Cross multiply
    76,342.28x = 105,352.38 × 46,534.28
  4. Step 4: Simplify right side
    76,342.28x = 4,902,497,149.59
  5. Step 5: Solve for x
    x = 4,902,497,149.59/76,342.28
  6. Step 6: Final answer
    x = 64,217.33

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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.