Home / 74,002.16-102,085.08-50,120.48

Finding the Fourth Proportional to 74,002.16, 102,085.08 and 50,120.48

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Solution

The fourth proportional to 74,002.16, 102,085.08 and 50,120.48 is: 69,140.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,002.16 : 102,085.08 = 50,120.48 : x
  2. Step 2: Convert to fraction form
    74,002.16/102,085.08 = 50,120.48/x
  3. Step 3: Cross multiply
    74,002.16x = 102,085.08 × 50,120.48
  4. Step 4: Simplify right side
    74,002.16x = 5,116,553,210.44
  5. Step 5: Solve for x
    x = 5,116,553,210.44/74,002.16
  6. Step 6: Final answer
    x = 69,140.59

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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.