Home / 52,081.20-77,664.47-51,607.58

Finding the Fourth Proportional to 52,081.20, 77,664.47 and 51,607.58

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Solution

The fourth proportional to 52,081.20, 77,664.47 and 51,607.58 is: 76,958.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,081.20 : 77,664.47 = 51,607.58 : x
  2. Step 2: Convert to fraction form
    52,081.20/77,664.47 = 51,607.58/x
  3. Step 3: Cross multiply
    52,081.20x = 77,664.47 × 51,607.58
  4. Step 4: Simplify right side
    52,081.20x = 4,008,074,702.32
  5. Step 5: Solve for x
    x = 4,008,074,702.32/52,081.20
  6. Step 6: Final answer
    x = 76,958.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.