Home / 53,228.77-79,829.53-15,780.09

Finding the Fourth Proportional to 53,228.77, 79,829.53 and 15,780.09

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Solution

The fourth proportional to 53,228.77, 79,829.53 and 15,780.09 is: 23,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,228.77 : 79,829.53 = 15,780.09 : x
  2. Step 2: Convert to fraction form
    53,228.77/79,829.53 = 15,780.09/x
  3. Step 3: Cross multiply
    53,228.77x = 79,829.53 × 15,780.09
  4. Step 4: Simplify right side
    53,228.77x = 1,259,717,168.06
  5. Step 5: Solve for x
    x = 1,259,717,168.06/53,228.77
  6. Step 6: Final answer
    x = 23,666.10

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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.