Home / 55,165.02-76,126.23-30,013.98

Finding the Fourth Proportional to 55,165.02, 76,126.23 and 30,013.98

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Solution

The fourth proportional to 55,165.02, 76,126.23 and 30,013.98 is: 41,418.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,165.02 : 76,126.23 = 30,013.98 : x
  2. Step 2: Convert to fraction form
    55,165.02/76,126.23 = 30,013.98/x
  3. Step 3: Cross multiply
    55,165.02x = 76,126.23 × 30,013.98
  4. Step 4: Simplify right side
    55,165.02x = 2,284,851,144.70
  5. Step 5: Solve for x
    x = 2,284,851,144.70/55,165.02
  6. Step 6: Final answer
    x = 41,418.48

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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.