Home / 70,135.19-96,787.18-39,922.46

Finding the Fourth Proportional to 70,135.19, 96,787.18 and 39,922.46

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Solution

The fourth proportional to 70,135.19, 96,787.18 and 39,922.46 is: 55,093.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,135.19 : 96,787.18 = 39,922.46 : x
  2. Step 2: Convert to fraction form
    70,135.19/96,787.18 = 39,922.46/x
  3. Step 3: Cross multiply
    70,135.19x = 96,787.18 × 39,922.46
  4. Step 4: Simplify right side
    70,135.19x = 3,863,982,421.87
  5. Step 5: Solve for x
    x = 3,863,982,421.87/70,135.19
  6. Step 6: Final answer
    x = 55,093.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.