Home / 82,320.93-113,486.54-58,438.89

Finding the Fourth Proportional to 82,320.93, 113,486.54 and 58,438.89

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Solution

The fourth proportional to 82,320.93, 113,486.54 and 58,438.89 is: 80,563.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,320.93 : 113,486.54 = 58,438.89 : x
  2. Step 2: Convert to fraction form
    82,320.93/113,486.54 = 58,438.89/x
  3. Step 3: Cross multiply
    82,320.93x = 113,486.54 × 58,438.89
  4. Step 4: Simplify right side
    82,320.93x = 6,632,027,135.35
  5. Step 5: Solve for x
    x = 6,632,027,135.35/82,320.93
  6. Step 6: Final answer
    x = 80,563.07

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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.