Home / 82,807.22-114,407.57-57,768.50

Finding the Fourth Proportional to 82,807.22, 114,407.57 and 57,768.50

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Solution

The fourth proportional to 82,807.22, 114,407.57 and 57,768.50 is: 79,813.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,807.22 : 114,407.57 = 57,768.50 : x
  2. Step 2: Convert to fraction form
    82,807.22/114,407.57 = 57,768.50/x
  3. Step 3: Cross multiply
    82,807.22x = 114,407.57 × 57,768.50
  4. Step 4: Simplify right side
    82,807.22x = 6,609,153,707.55
  5. Step 5: Solve for x
    x = 6,609,153,707.55/82,807.22
  6. Step 6: Final answer
    x = 79,813.74

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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.