Home / 56,728.78-78,307.14-44,597.62

Finding the Fourth Proportional to 56,728.78, 78,307.14 and 44,597.62

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Solution

The fourth proportional to 56,728.78, 78,307.14 and 44,597.62 is: 61,561.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,728.78 : 78,307.14 = 44,597.62 : x
  2. Step 2: Convert to fraction form
    56,728.78/78,307.14 = 44,597.62/x
  3. Step 3: Cross multiply
    56,728.78x = 78,307.14 × 44,597.62
  4. Step 4: Simplify right side
    56,728.78x = 3,492,311,862.98
  5. Step 5: Solve for x
    x = 3,492,311,862.98/56,728.78
  6. Step 6: Final answer
    x = 61,561.55

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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.