Home / 77,466.12-116,185.77-20,540.40

Finding the Fourth Proportional to 77,466.12, 116,185.77 and 20,540.40

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Solution

The fourth proportional to 77,466.12, 116,185.77 and 20,540.40 is: 30,807.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,466.12 : 116,185.77 = 20,540.40 : x
  2. Step 2: Convert to fraction form
    77,466.12/116,185.77 = 20,540.40/x
  3. Step 3: Cross multiply
    77,466.12x = 116,185.77 × 20,540.40
  4. Step 4: Simplify right side
    77,466.12x = 2,386,501,754.41
  5. Step 5: Solve for x
    x = 2,386,501,754.41/77,466.12
  6. Step 6: Final answer
    x = 30,807.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.