Home / 82,106.01-113,246.45-62,768.63

Finding the Fourth Proportional to 82,106.01, 113,246.45 and 62,768.63

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Solution

The fourth proportional to 82,106.01, 113,246.45 and 62,768.63 is: 86,574.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,106.01 : 113,246.45 = 62,768.63 : x
  2. Step 2: Convert to fraction form
    82,106.01/113,246.45 = 62,768.63/x
  3. Step 3: Cross multiply
    82,106.01x = 113,246.45 × 62,768.63
  4. Step 4: Simplify right side
    82,106.01x = 7,108,323,638.79
  5. Step 5: Solve for x
    x = 7,108,323,638.79/82,106.01
  6. Step 6: Final answer
    x = 86,574.95

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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.