Home / 56,116.50-77,442.39-30,967.62

Finding the Fourth Proportional to 56,116.50, 77,442.39 and 30,967.62

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Solution

The fourth proportional to 56,116.50, 77,442.39 and 30,967.62 is: 42,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,116.50 : 77,442.39 = 30,967.62 : x
  2. Step 2: Convert to fraction form
    56,116.50/77,442.39 = 30,967.62/x
  3. Step 3: Cross multiply
    56,116.50x = 77,442.39 × 30,967.62
  4. Step 4: Simplify right side
    56,116.50x = 2,398,206,505.41
  5. Step 5: Solve for x
    x = 2,398,206,505.41/56,116.50
  6. Step 6: Final answer
    x = 42,736.21

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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.