Home / 70,886.07-106,228.80-39,310.02

Finding the Fourth Proportional to 70,886.07, 106,228.80 and 39,310.02

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Solution

The fourth proportional to 70,886.07, 106,228.80 and 39,310.02 is: 58,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,886.07 : 106,228.80 = 39,310.02 : x
  2. Step 2: Convert to fraction form
    70,886.07/106,228.80 = 39,310.02/x
  3. Step 3: Cross multiply
    70,886.07x = 106,228.80 × 39,310.02
  4. Step 4: Simplify right side
    70,886.07x = 4,175,856,252.58
  5. Step 5: Solve for x
    x = 4,175,856,252.58/70,886.07
  6. Step 6: Final answer
    x = 58,909.41

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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.