Home / 56,199.36-77,556.63-30,706.80

Finding the Fourth Proportional to 56,199.36, 77,556.63 and 30,706.80

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Solution

The fourth proportional to 56,199.36, 77,556.63 and 30,706.80 is: 42,376.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,199.36 : 77,556.63 = 30,706.80 : x
  2. Step 2: Convert to fraction form
    56,199.36/77,556.63 = 30,706.80/x
  3. Step 3: Cross multiply
    56,199.36x = 77,556.63 × 30,706.80
  4. Step 4: Simplify right side
    56,199.36x = 2,381,515,926.08
  5. Step 5: Solve for x
    x = 2,381,515,926.08/56,199.36
  6. Step 6: Final answer
    x = 42,376.21

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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.