Home / 61,057.08-84,211.38-40,907.52

Finding the Fourth Proportional to 61,057.08, 84,211.38 and 40,907.52

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Solution

The fourth proportional to 61,057.08, 84,211.38 and 40,907.52 is: 56,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,057.08 : 84,211.38 = 40,907.52 : x
  2. Step 2: Convert to fraction form
    61,057.08/84,211.38 = 40,907.52/x
  3. Step 3: Cross multiply
    61,057.08x = 84,211.38 × 40,907.52
  4. Step 4: Simplify right side
    61,057.08x = 3,444,878,711.58
  5. Step 5: Solve for x
    x = 3,444,878,711.58/61,057.08
  6. Step 6: Final answer
    x = 56,420.63

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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.