Home / 77,893.47-107,493.02-42,083.41

Finding the Fourth Proportional to 77,893.47, 107,493.02 and 42,083.41

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Solution

The fourth proportional to 77,893.47, 107,493.02 and 42,083.41 is: 58,075.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,893.47 : 107,493.02 = 42,083.41 : x
  2. Step 2: Convert to fraction form
    77,893.47/107,493.02 = 42,083.41/x
  3. Step 3: Cross multiply
    77,893.47x = 107,493.02 × 42,083.41
  4. Step 4: Simplify right side
    77,893.47x = 4,523,672,832.80
  5. Step 5: Solve for x
    x = 4,523,672,832.80/77,893.47
  6. Step 6: Final answer
    x = 58,075.12

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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.