Home / 74,795.16-103,224.60-55,899.48

Finding the Fourth Proportional to 74,795.16, 103,224.60 and 55,899.48

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Solution

The fourth proportional to 74,795.16, 103,224.60 and 55,899.48 is: 77,146.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,795.16 : 103,224.60 = 55,899.48 : x
  2. Step 2: Convert to fraction form
    74,795.16/103,224.60 = 55,899.48/x
  3. Step 3: Cross multiply
    74,795.16x = 103,224.60 × 55,899.48
  4. Step 4: Simplify right side
    74,795.16x = 5,770,201,463.21
  5. Step 5: Solve for x
    x = 5,770,201,463.21/74,795.16
  6. Step 6: Final answer
    x = 77,146.72

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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.