Home / 103,725.46-155,615.87-37,172.32

Finding the Fourth Proportional to 103,725.46, 155,615.87 and 37,172.32

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Solution

The fourth proportional to 103,725.46, 155,615.87 and 37,172.32 is: 55,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,725.46 : 155,615.87 = 37,172.32 : x
  2. Step 2: Convert to fraction form
    103,725.46/155,615.87 = 37,172.32/x
  3. Step 3: Cross multiply
    103,725.46x = 155,615.87 × 37,172.32
  4. Step 4: Simplify right side
    103,725.46x = 5,784,602,620.61
  5. Step 5: Solve for x
    x = 5,784,602,620.61/103,725.46
  6. Step 6: Final answer
    x = 55,768.40

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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.