Home / 70,485.03-105,725.52-26,110.80

Finding the Fourth Proportional to 70,485.03, 105,725.52 and 26,110.80

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Solution

The fourth proportional to 70,485.03, 105,725.52 and 26,110.80 is: 39,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,485.03 : 105,725.52 = 26,110.80 : x
  2. Step 2: Convert to fraction form
    70,485.03/105,725.52 = 26,110.80/x
  3. Step 3: Cross multiply
    70,485.03x = 105,725.52 × 26,110.80
  4. Step 4: Simplify right side
    70,485.03x = 2,760,577,907.62
  5. Step 5: Solve for x
    x = 2,760,577,907.62/70,485.03
  6. Step 6: Final answer
    x = 39,165.45

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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.