Home / 70,816.50-106,242.98-26,443.55

Finding the Fourth Proportional to 70,816.50, 106,242.98 and 26,443.55

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Solution

The fourth proportional to 70,816.50, 106,242.98 and 26,443.55 is: 39,672.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,816.50 : 106,242.98 = 26,443.55 : x
  2. Step 2: Convert to fraction form
    70,816.50/106,242.98 = 26,443.55/x
  3. Step 3: Cross multiply
    70,816.50x = 106,242.98 × 26,443.55
  4. Step 4: Simplify right side
    70,816.50x = 2,809,441,687.17
  5. Step 5: Solve for x
    x = 2,809,441,687.17/70,816.50
  6. Step 6: Final answer
    x = 39,672.13

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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.