Home / 71,624.32-107,390.40-46,971.52

Finding the Fourth Proportional to 71,624.32, 107,390.40 and 46,971.52

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Solution

The fourth proportional to 71,624.32, 107,390.40 and 46,971.52 is: 70,427.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,624.32 : 107,390.40 = 46,971.52 : x
  2. Step 2: Convert to fraction form
    71,624.32/107,390.40 = 46,971.52/x
  3. Step 3: Cross multiply
    71,624.32x = 107,390.40 × 46,971.52
  4. Step 4: Simplify right side
    71,624.32x = 5,044,290,321.41
  5. Step 5: Solve for x
    x = 5,044,290,321.41/71,624.32
  6. Step 6: Final answer
    x = 70,427.06

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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.