Home / 80,837.21-111,555.51-46,852.31

Finding the Fourth Proportional to 80,837.21, 111,555.51 and 46,852.31

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Solution

The fourth proportional to 80,837.21, 111,555.51 and 46,852.31 is: 64,656.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,837.21 : 111,555.51 = 46,852.31 : x
  2. Step 2: Convert to fraction form
    80,837.21/111,555.51 = 46,852.31/x
  3. Step 3: Cross multiply
    80,837.21x = 111,555.51 × 46,852.31
  4. Step 4: Simplify right side
    80,837.21x = 5,226,633,336.73
  5. Step 5: Solve for x
    x = 5,226,633,336.73/80,837.21
  6. Step 6: Final answer
    x = 64,656.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.