Home / 56,599.88-78,029.79-45,153.63

Finding the Fourth Proportional to 56,599.88, 78,029.79 and 45,153.63

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Solution

The fourth proportional to 56,599.88, 78,029.79 and 45,153.63 is: 62,249.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,599.88 : 78,029.79 = 45,153.63 : x
  2. Step 2: Convert to fraction form
    56,599.88/78,029.79 = 45,153.63/x
  3. Step 3: Cross multiply
    56,599.88x = 78,029.79 × 45,153.63
  4. Step 4: Simplify right side
    56,599.88x = 3,523,328,266.64
  5. Step 5: Solve for x
    x = 3,523,328,266.64/56,599.88
  6. Step 6: Final answer
    x = 62,249.75

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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.