Home / 71,211.07-106,783.71-26,221.13

Finding the Fourth Proportional to 71,211.07, 106,783.71 and 26,221.13

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Solution

The fourth proportional to 71,211.07, 106,783.71 and 26,221.13 is: 39,319.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,211.07 : 106,783.71 = 26,221.13 : x
  2. Step 2: Convert to fraction form
    71,211.07/106,783.71 = 26,221.13/x
  3. Step 3: Cross multiply
    71,211.07x = 106,783.71 × 26,221.13
  4. Step 4: Simplify right side
    71,211.07x = 2,799,989,007.87
  5. Step 5: Solve for x
    x = 2,799,989,007.87/71,211.07
  6. Step 6: Final answer
    x = 39,319.58

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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.