Home / 84,968.90-127,550.55-49,928.30

Finding the Fourth Proportional to 84,968.90, 127,550.55 and 49,928.30

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Solution

The fourth proportional to 84,968.90, 127,550.55 and 49,928.30 is: 74,949.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,968.90 : 127,550.55 = 49,928.30 : x
  2. Step 2: Convert to fraction form
    84,968.90/127,550.55 = 49,928.30/x
  3. Step 3: Cross multiply
    84,968.90x = 127,550.55 × 49,928.30
  4. Step 4: Simplify right side
    84,968.90x = 6,368,382,125.57
  5. Step 5: Solve for x
    x = 6,368,382,125.57/84,968.90
  6. Step 6: Final answer
    x = 74,949.57

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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.