Home / 71,143.12-106,733.13-37,835.79

Finding the Fourth Proportional to 71,143.12, 106,733.13 and 37,835.79

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Solution

The fourth proportional to 71,143.12, 106,733.13 and 37,835.79 is: 56,763.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,143.12 : 106,733.13 = 37,835.79 : x
  2. Step 2: Convert to fraction form
    71,143.12/106,733.13 = 37,835.79/x
  3. Step 3: Cross multiply
    71,143.12x = 106,733.13 × 37,835.79
  4. Step 4: Simplify right side
    71,143.12x = 4,038,332,350.96
  5. Step 5: Solve for x
    x = 4,038,332,350.96/71,143.12
  6. Step 6: Final answer
    x = 56,763.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.