Home / 74,630.50-103,077.57-49,436.26

Finding the Fourth Proportional to 74,630.50, 103,077.57 and 49,436.26

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Solution

The fourth proportional to 74,630.50, 103,077.57 and 49,436.26 is: 68,279.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,630.50 : 103,077.57 = 49,436.26 : x
  2. Step 2: Convert to fraction form
    74,630.50/103,077.57 = 49,436.26/x
  3. Step 3: Cross multiply
    74,630.50x = 103,077.57 × 49,436.26
  4. Step 4: Simplify right side
    74,630.50x = 5,095,769,550.69
  5. Step 5: Solve for x
    x = 5,095,769,550.69/74,630.50
  6. Step 6: Final answer
    x = 68,279.99

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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.