Home / 74,975.04-103,464.16-41,440.32

Finding the Fourth Proportional to 74,975.04, 103,464.16 and 41,440.32

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Solution

The fourth proportional to 74,975.04, 103,464.16 and 41,440.32 is: 57,186.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,975.04 : 103,464.16 = 41,440.32 : x
  2. Step 2: Convert to fraction form
    74,975.04/103,464.16 = 41,440.32/x
  3. Step 3: Cross multiply
    74,975.04x = 103,464.16 × 41,440.32
  4. Step 4: Simplify right side
    74,975.04x = 4,287,587,898.93
  5. Step 5: Solve for x
    x = 4,287,587,898.93/74,975.04
  6. Step 6: Final answer
    x = 57,186.87

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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.