Home / 74,743.46-103,087.65-47,888.48

Finding the Fourth Proportional to 74,743.46, 103,087.65 and 47,888.48

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Solution

The fourth proportional to 74,743.46, 103,087.65 and 47,888.48 is: 66,048.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,743.46 : 103,087.65 = 47,888.48 : x
  2. Step 2: Convert to fraction form
    74,743.46/103,087.65 = 47,888.48/x
  3. Step 3: Cross multiply
    74,743.46x = 103,087.65 × 47,888.48
  4. Step 4: Simplify right side
    74,743.46x = 4,936,711,302.57
  5. Step 5: Solve for x
    x = 4,936,711,302.57/74,743.46
  6. Step 6: Final answer
    x = 66,048.74

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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.