Home / 62,777.12-86,630.10-34,481.12

Finding the Fourth Proportional to 62,777.12, 86,630.10 and 34,481.12

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Solution

The fourth proportional to 62,777.12, 86,630.10 and 34,481.12 is: 47,582.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,777.12 : 86,630.10 = 34,481.12 : x
  2. Step 2: Convert to fraction form
    62,777.12/86,630.10 = 34,481.12/x
  3. Step 3: Cross multiply
    62,777.12x = 86,630.10 × 34,481.12
  4. Step 4: Simplify right side
    62,777.12x = 2,987,102,873.71
  5. Step 5: Solve for x
    x = 2,987,102,873.71/62,777.12
  6. Step 6: Final answer
    x = 47,582.67

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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.