Home / 53,864.88-80,741.16-31,660.08

Finding the Fourth Proportional to 53,864.88, 80,741.16 and 31,660.08

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Solution

The fourth proportional to 53,864.88, 80,741.16 and 31,660.08 is: 47,457.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,864.88 : 80,741.16 = 31,660.08 : x
  2. Step 2: Convert to fraction form
    53,864.88/80,741.16 = 31,660.08/x
  3. Step 3: Cross multiply
    53,864.88x = 80,741.16 × 31,660.08
  4. Step 4: Simplify right side
    53,864.88x = 2,556,271,584.89
  5. Step 5: Solve for x
    x = 2,556,271,584.89/53,864.88
  6. Step 6: Final answer
    x = 47,457.11

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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.