Home / 81,917.44-122,870.40-46,746.88

Finding the Fourth Proportional to 81,917.44, 122,870.40 and 46,746.88

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Solution

The fourth proportional to 81,917.44, 122,870.40 and 46,746.88 is: 70,117.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,917.44 : 122,870.40 = 46,746.88 : x
  2. Step 2: Convert to fraction form
    81,917.44/122,870.40 = 46,746.88/x
  3. Step 3: Cross multiply
    81,917.44x = 122,870.40 × 46,746.88
  4. Step 4: Simplify right side
    81,917.44x = 5,743,807,844.35
  5. Step 5: Solve for x
    x = 5,743,807,844.35/81,917.44
  6. Step 6: Final answer
    x = 70,117.03

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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.