Home / 82,701.42-114,160.39-58,628.20

Finding the Fourth Proportional to 82,701.42, 114,160.39 and 58,628.20

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Solution

The fourth proportional to 82,701.42, 114,160.39 and 58,628.20 is: 80,929.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,701.42 : 114,160.39 = 58,628.20 : x
  2. Step 2: Convert to fraction form
    82,701.42/114,160.39 = 58,628.20/x
  3. Step 3: Cross multiply
    82,701.42x = 114,160.39 × 58,628.20
  4. Step 4: Simplify right side
    82,701.42x = 6,693,018,177.00
  5. Step 5: Solve for x
    x = 6,693,018,177.00/82,701.42
  6. Step 6: Final answer
    x = 80,929.91

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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.