Home / 56,230.12-77,596.11-30,736.55

Finding the Fourth Proportional to 56,230.12, 77,596.11 and 30,736.55

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Solution

The fourth proportional to 56,230.12, 77,596.11 and 30,736.55 is: 42,415.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,230.12 : 77,596.11 = 30,736.55 : x
  2. Step 2: Convert to fraction form
    56,230.12/77,596.11 = 30,736.55/x
  3. Step 3: Cross multiply
    56,230.12x = 77,596.11 × 30,736.55
  4. Step 4: Simplify right side
    56,230.12x = 2,385,036,326.84
  5. Step 5: Solve for x
    x = 2,385,036,326.84/56,230.12
  6. Step 6: Final answer
    x = 42,415.64

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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.