Home / 86,163.04-129,024.24-51,127.84

Finding the Fourth Proportional to 86,163.04, 129,024.24 and 51,127.84

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Solution

The fourth proportional to 86,163.04, 129,024.24 and 51,127.84 is: 76,561.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,163.04 : 129,024.24 = 51,127.84 : x
  2. Step 2: Convert to fraction form
    86,163.04/129,024.24 = 51,127.84/x
  3. Step 3: Cross multiply
    86,163.04x = 129,024.24 × 51,127.84
  4. Step 4: Simplify right side
    86,163.04x = 6,596,730,698.84
  5. Step 5: Solve for x
    x = 6,596,730,698.84/86,163.04
  6. Step 6: Final answer
    x = 76,561.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.