Home / 103,630.05-155,445.08-37,072.35

Finding the Fourth Proportional to 103,630.05, 155,445.08 and 37,072.35

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Solution

The fourth proportional to 103,630.05, 155,445.08 and 37,072.35 is: 55,608.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,630.05 : 155,445.08 = 37,072.35 : x
  2. Step 2: Convert to fraction form
    103,630.05/155,445.08 = 37,072.35/x
  3. Step 3: Cross multiply
    103,630.05x = 155,445.08 × 37,072.35
  4. Step 4: Simplify right side
    103,630.05x = 5,762,714,226.18
  5. Step 5: Solve for x
    x = 5,762,714,226.18/103,630.05
  6. Step 6: Final answer
    x = 55,608.53

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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.