Home / 82,929.29-114,326.48-70,131.02

Finding the Fourth Proportional to 82,929.29, 114,326.48 and 70,131.02

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Solution

The fourth proportional to 82,929.29, 114,326.48 and 70,131.02 is: 96,682.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,929.29 : 114,326.48 = 70,131.02 : x
  2. Step 2: Convert to fraction form
    82,929.29/114,326.48 = 70,131.02/x
  3. Step 3: Cross multiply
    82,929.29x = 114,326.48 × 70,131.02
  4. Step 4: Simplify right side
    82,929.29x = 8,017,831,733.12
  5. Step 5: Solve for x
    x = 8,017,831,733.12/82,929.29
  6. Step 6: Final answer
    x = 96,682.75

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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.