Home / 70,512.76-105,772.56-23,123.66

Finding the Fourth Proportional to 70,512.76, 105,772.56 and 23,123.66

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Solution

The fourth proportional to 70,512.76, 105,772.56 and 23,123.66 is: 34,686.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,512.76 : 105,772.56 = 23,123.66 : x
  2. Step 2: Convert to fraction form
    70,512.76/105,772.56 = 23,123.66/x
  3. Step 3: Cross multiply
    70,512.76x = 105,772.56 × 23,123.66
  4. Step 4: Simplify right side
    70,512.76x = 2,445,848,759.20
  5. Step 5: Solve for x
    x = 2,445,848,759.20/70,512.76
  6. Step 6: Final answer
    x = 34,686.61

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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.