Home / 53,422.16-80,117.04-18,353.84

Finding the Fourth Proportional to 53,422.16, 80,117.04 and 18,353.84

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Solution

The fourth proportional to 53,422.16, 80,117.04 and 18,353.84 is: 27,525.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,422.16 : 80,117.04 = 18,353.84 : x
  2. Step 2: Convert to fraction form
    53,422.16/80,117.04 = 18,353.84/x
  3. Step 3: Cross multiply
    53,422.16x = 80,117.04 × 18,353.84
  4. Step 4: Simplify right side
    53,422.16x = 1,470,455,333.43
  5. Step 5: Solve for x
    x = 1,470,455,333.43/53,422.16
  6. Step 6: Final answer
    x = 27,525.19

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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.