Home / 82,055.19-113,192.77-56,517.64

Finding the Fourth Proportional to 82,055.19, 113,192.77 and 56,517.64

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Solution

The fourth proportional to 82,055.19, 113,192.77 and 56,517.64 is: 77,964.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,055.19 : 113,192.77 = 56,517.64 : x
  2. Step 2: Convert to fraction form
    82,055.19/113,192.77 = 56,517.64/x
  3. Step 3: Cross multiply
    82,055.19x = 113,192.77 × 56,517.64
  4. Step 4: Simplify right side
    82,055.19x = 6,397,387,376.91
  5. Step 5: Solve for x
    x = 6,397,387,376.91/82,055.19
  6. Step 6: Final answer
    x = 77,964.45

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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.