Home / 106,050.75-146,276.46-72,040.20

Finding the Fourth Proportional to 106,050.75, 146,276.46 and 72,040.20

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Solution

The fourth proportional to 106,050.75, 146,276.46 and 72,040.20 is: 99,365.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,050.75 : 146,276.46 = 72,040.20 : x
  2. Step 2: Convert to fraction form
    106,050.75/146,276.46 = 72,040.20/x
  3. Step 3: Cross multiply
    106,050.75x = 146,276.46 × 72,040.20
  4. Step 4: Simplify right side
    106,050.75x = 10,537,785,433.69
  5. Step 5: Solve for x
    x = 10,537,785,433.69/106,050.75
  6. Step 6: Final answer
    x = 99,365.50

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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.