Home / 77,252.90-106,608.98-42,799.88

Finding the Fourth Proportional to 77,252.90, 106,608.98 and 42,799.88

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Solution

The fourth proportional to 77,252.90, 106,608.98 and 42,799.88 is: 59,063.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,252.90 : 106,608.98 = 42,799.88 : x
  2. Step 2: Convert to fraction form
    77,252.90/106,608.98 = 42,799.88/x
  3. Step 3: Cross multiply
    77,252.90x = 106,608.98 × 42,799.88
  4. Step 4: Simplify right side
    77,252.90x = 4,562,851,924.44
  5. Step 5: Solve for x
    x = 4,562,851,924.44/77,252.90
  6. Step 6: Final answer
    x = 59,063.83

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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.