Home / 53,883.40-80,825.10-51,608.20

Finding the Fourth Proportional to 53,883.40, 80,825.10 and 51,608.20

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Solution

The fourth proportional to 53,883.40, 80,825.10 and 51,608.20 is: 77,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,883.40 : 80,825.10 = 51,608.20 : x
  2. Step 2: Convert to fraction form
    53,883.40/80,825.10 = 51,608.20/x
  3. Step 3: Cross multiply
    53,883.40x = 80,825.10 × 51,608.20
  4. Step 4: Simplify right side
    53,883.40x = 4,171,237,925.82
  5. Step 5: Solve for x
    x = 4,171,237,925.82/53,883.40
  6. Step 6: Final answer
    x = 77,412.30

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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.