Home / 55,961.02-77,226.12-30,810.52

Finding the Fourth Proportional to 55,961.02, 77,226.12 and 30,810.52

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Solution

The fourth proportional to 55,961.02, 77,226.12 and 30,810.52 is: 42,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,961.02 : 77,226.12 = 30,810.52 : x
  2. Step 2: Convert to fraction form
    55,961.02/77,226.12 = 30,810.52/x
  3. Step 3: Cross multiply
    55,961.02x = 77,226.12 × 30,810.52
  4. Step 4: Simplify right side
    55,961.02x = 2,379,376,914.78
  5. Step 5: Solve for x
    x = 2,379,376,914.78/55,961.02
  6. Step 6: Final answer
    x = 42,518.47

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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.