Home / 53,421.93-80,137.11-17,883.45

Finding the Fourth Proportional to 53,421.93, 80,137.11 and 17,883.45

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Solution

The fourth proportional to 53,421.93, 80,137.11 and 17,883.45 is: 26,826.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,421.93 : 80,137.11 = 17,883.45 : x
  2. Step 2: Convert to fraction form
    53,421.93/80,137.11 = 17,883.45/x
  3. Step 3: Cross multiply
    53,421.93x = 80,137.11 × 17,883.45
  4. Step 4: Simplify right side
    53,421.93x = 1,433,127,999.83
  5. Step 5: Solve for x
    x = 1,433,127,999.83/53,421.93
  6. Step 6: Final answer
    x = 26,826.59

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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.