Home / 71,412.76-106,897.74-52,714.18

Finding the Fourth Proportional to 71,412.76, 106,897.74 and 52,714.18

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Solution

The fourth proportional to 71,412.76, 106,897.74 and 52,714.18 is: 78,907.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,412.76 : 106,897.74 = 52,714.18 : x
  2. Step 2: Convert to fraction form
    71,412.76/106,897.74 = 52,714.18/x
  3. Step 3: Cross multiply
    71,412.76x = 106,897.74 × 52,714.18
  4. Step 4: Simplify right side
    71,412.76x = 5,635,026,707.95
  5. Step 5: Solve for x
    x = 5,635,026,707.95/71,412.76
  6. Step 6: Final answer
    x = 78,907.84

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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.