Home / 71,677.20-107,564.40-46,656.30

Finding the Fourth Proportional to 71,677.20, 107,564.40 and 46,656.30

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Solution

The fourth proportional to 71,677.20, 107,564.40 and 46,656.30 is: 70,016.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,677.20 : 107,564.40 = 46,656.30 : x
  2. Step 2: Convert to fraction form
    71,677.20/107,564.40 = 46,656.30/x
  3. Step 3: Cross multiply
    71,677.20x = 107,564.40 × 46,656.30
  4. Step 4: Simplify right side
    71,677.20x = 5,018,556,915.72
  5. Step 5: Solve for x
    x = 5,018,556,915.72/71,677.20
  6. Step 6: Final answer
    x = 70,016.08

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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.