Home / 45,852.16-68,784.36-18,143.68

Finding the Fourth Proportional to 45,852.16, 68,784.36 and 18,143.68

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Solution

The fourth proportional to 45,852.16, 68,784.36 and 18,143.68 is: 27,217.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,852.16 : 68,784.36 = 18,143.68 : x
  2. Step 2: Convert to fraction form
    45,852.16/68,784.36 = 18,143.68/x
  3. Step 3: Cross multiply
    45,852.16x = 68,784.36 × 18,143.68
  4. Step 4: Simplify right side
    45,852.16x = 1,248,001,416.84
  5. Step 5: Solve for x
    x = 1,248,001,416.84/45,852.16
  6. Step 6: Final answer
    x = 27,217.94

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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.