Home / 53,285.60-79,977.48-27,008.72

Finding the Fourth Proportional to 53,285.60, 79,977.48 and 27,008.72

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Solution

The fourth proportional to 53,285.60, 79,977.48 and 27,008.72 is: 40,537.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,285.60 : 79,977.48 = 27,008.72 : x
  2. Step 2: Convert to fraction form
    53,285.60/79,977.48 = 27,008.72/x
  3. Step 3: Cross multiply
    53,285.60x = 79,977.48 × 27,008.72
  4. Step 4: Simplify right side
    53,285.60x = 2,160,089,363.63
  5. Step 5: Solve for x
    x = 2,160,089,363.63/53,285.60
  6. Step 6: Final answer
    x = 40,537.96

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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.