Home / 70,975.08-106,390.82-46,031

Finding the Fourth Proportional to 70,975.08, 106,390.82 and 46,031

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Solution

The fourth proportional to 70,975.08, 106,390.82 and 46,031 is: 68,999.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,975.08 : 106,390.82 = 46,031 : x
  2. Step 2: Convert to fraction form
    70,975.08/106,390.82 = 46,031/x
  3. Step 3: Cross multiply
    70,975.08x = 106,390.82 × 46,031
  4. Step 4: Simplify right side
    70,975.08x = 4,897,275,835.42
  5. Step 5: Solve for x
    x = 4,897,275,835.42/70,975.08
  6. Step 6: Final answer
    x = 68,999.93

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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.