Home / 62,820.21-86,688.23-34,525.92

Finding the Fourth Proportional to 62,820.21, 86,688.23 and 34,525.92

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Solution

The fourth proportional to 62,820.21, 86,688.23 and 34,525.92 is: 47,643.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,820.21 : 86,688.23 = 34,525.92 : x
  2. Step 2: Convert to fraction form
    62,820.21/86,688.23 = 34,525.92/x
  3. Step 3: Cross multiply
    62,820.21x = 86,688.23 × 34,525.92
  4. Step 4: Simplify right side
    62,820.21x = 2,992,990,721.29
  5. Step 5: Solve for x
    x = 2,992,990,721.29/62,820.21
  6. Step 6: Final answer
    x = 47,643.76

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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.