Home / 70,818.50-106,245.98-26,445.55

Finding the Fourth Proportional to 70,818.50, 106,245.98 and 26,445.55

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Solution

The fourth proportional to 70,818.50, 106,245.98 and 26,445.55 is: 39,675.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,818.50 : 106,245.98 = 26,445.55 : x
  2. Step 2: Convert to fraction form
    70,818.50/106,245.98 = 26,445.55/x
  3. Step 3: Cross multiply
    70,818.50x = 106,245.98 × 26,445.55
  4. Step 4: Simplify right side
    70,818.50x = 2,809,733,376.39
  5. Step 5: Solve for x
    x = 2,809,733,376.39/70,818.50
  6. Step 6: Final answer
    x = 39,675.13

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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.