Home / 81,865.50-112,973.60-46,055.70

Finding the Fourth Proportional to 81,865.50, 112,973.60 and 46,055.70

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Solution

The fourth proportional to 81,865.50, 112,973.60 and 46,055.70 is: 63,556.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,865.50 : 112,973.60 = 46,055.70 : x
  2. Step 2: Convert to fraction form
    81,865.50/112,973.60 = 46,055.70/x
  3. Step 3: Cross multiply
    81,865.50x = 112,973.60 × 46,055.70
  4. Step 4: Simplify right side
    81,865.50x = 5,203,078,229.52
  5. Step 5: Solve for x
    x = 5,203,078,229.52/81,865.50
  6. Step 6: Final answer
    x = 63,556.42

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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.