Home / 82,975.12-124,449-35,597.86

Finding the Fourth Proportional to 82,975.12, 124,449 and 35,597.86

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Solution

The fourth proportional to 82,975.12, 124,449 and 35,597.86 is: 53,390.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,975.12 : 124,449 = 35,597.86 : x
  2. Step 2: Convert to fraction form
    82,975.12/124,449 = 35,597.86/x
  3. Step 3: Cross multiply
    82,975.12x = 124,449 × 35,597.86
  4. Step 4: Simplify right side
    82,975.12x = 4,430,118,079.14
  5. Step 5: Solve for x
    x = 4,430,118,079.14/82,975.12
  6. Step 6: Final answer
    x = 53,390.92

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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.