Home / 84,018-115,948.08-46,291.44

Finding the Fourth Proportional to 84,018, 115,948.08 and 46,291.44

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Solution

The fourth proportional to 84,018, 115,948.08 and 46,291.44 is: 63,883.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,018 : 115,948.08 = 46,291.44 : x
  2. Step 2: Convert to fraction form
    84,018/115,948.08 = 46,291.44/x
  3. Step 3: Cross multiply
    84,018x = 115,948.08 × 46,291.44
  4. Step 4: Simplify right side
    84,018x = 5,367,403,588.44
  5. Step 5: Solve for x
    x = 5,367,403,588.44/84,018
  6. Step 6: Final answer
    x = 63,883.97

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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.