Home / 62,451.04-86,240.24-40,134.24

Finding the Fourth Proportional to 62,451.04, 86,240.24 and 40,134.24

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Solution

The fourth proportional to 62,451.04, 86,240.24 and 40,134.24 is: 55,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,451.04 : 86,240.24 = 40,134.24 : x
  2. Step 2: Convert to fraction form
    62,451.04/86,240.24 = 40,134.24/x
  3. Step 3: Cross multiply
    62,451.04x = 86,240.24 × 40,134.24
  4. Step 4: Simplify right side
    62,451.04x = 3,461,186,489.82
  5. Step 5: Solve for x
    x = 3,461,186,489.82/62,451.04
  6. Step 6: Final answer
    x = 55,422.40

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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.