Home / 74,743.35-103,087.47-47,888.36

Finding the Fourth Proportional to 74,743.35, 103,087.47 and 47,888.36

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Solution

The fourth proportional to 74,743.35, 103,087.47 and 47,888.36 is: 66,048.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,743.35 : 103,087.47 = 47,888.36 : x
  2. Step 2: Convert to fraction form
    74,743.35/103,087.47 = 47,888.36/x
  3. Step 3: Cross multiply
    74,743.35x = 103,087.47 × 47,888.36
  4. Step 4: Simplify right side
    74,743.35x = 4,936,689,874.85
  5. Step 5: Solve for x
    x = 4,936,689,874.85/74,743.35
  6. Step 6: Final answer
    x = 66,048.55

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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.