Home / 81,205.12-112,062.08-44,906.48

Finding the Fourth Proportional to 81,205.12, 112,062.08 and 44,906.48

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Solution

The fourth proportional to 81,205.12, 112,062.08 and 44,906.48 is: 61,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,205.12 : 112,062.08 = 44,906.48 : x
  2. Step 2: Convert to fraction form
    81,205.12/112,062.08 = 44,906.48/x
  3. Step 3: Cross multiply
    81,205.12x = 112,062.08 × 44,906.48
  4. Step 4: Simplify right side
    81,205.12x = 5,032,313,554.28
  5. Step 5: Solve for x
    x = 5,032,313,554.28/81,205.12
  6. Step 6: Final answer
    x = 61,970.40

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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.