Home / 73,999.08-102,128.74-41,740.32

Finding the Fourth Proportional to 73,999.08, 102,128.74 and 41,740.32

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Solution

The fourth proportional to 73,999.08, 102,128.74 and 41,740.32 is: 57,607.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,999.08 : 102,128.74 = 41,740.32 : x
  2. Step 2: Convert to fraction form
    73,999.08/102,128.74 = 41,740.32/x
  3. Step 3: Cross multiply
    73,999.08x = 102,128.74 × 41,740.32
  4. Step 4: Simplify right side
    73,999.08x = 4,262,886,288.80
  5. Step 5: Solve for x
    x = 4,262,886,288.80/73,999.08
  6. Step 6: Final answer
    x = 57,607.29

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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.