Home / 74,955.16-112,171.92-46,478.80

Finding the Fourth Proportional to 74,955.16, 112,171.92 and 46,478.80

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Solution

The fourth proportional to 74,955.16, 112,171.92 and 46,478.80 is: 69,556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,955.16 : 112,171.92 = 46,478.80 : x
  2. Step 2: Convert to fraction form
    74,955.16/112,171.92 = 46,478.80/x
  3. Step 3: Cross multiply
    74,955.16x = 112,171.92 × 46,478.80
  4. Step 4: Simplify right side
    74,955.16x = 5,213,616,235.30
  5. Step 5: Solve for x
    x = 5,213,616,235.30/74,955.16
  6. Step 6: Final answer
    x = 69,556.47

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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.