Home / 103,623.10-155,516.67-40,473.48

Finding the Fourth Proportional to 103,623.10, 155,516.67 and 40,473.48

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Solution

The fourth proportional to 103,623.10, 155,516.67 and 40,473.48 is: 60,742.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,623.10 : 155,516.67 = 40,473.48 : x
  2. Step 2: Convert to fraction form
    103,623.10/155,516.67 = 40,473.48/x
  3. Step 3: Cross multiply
    103,623.10x = 155,516.67 × 40,473.48
  4. Step 4: Simplify right side
    103,623.10x = 6,294,300,832.91
  5. Step 5: Solve for x
    x = 6,294,300,832.91/103,623.10
  6. Step 6: Final answer
    x = 60,742.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.