Home / 90,059.09-124,272.93-49,766.35

Finding the Fourth Proportional to 90,059.09, 124,272.93 and 49,766.35

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Solution

The fourth proportional to 90,059.09, 124,272.93 and 49,766.35 is: 68,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,059.09 : 124,272.93 = 49,766.35 : x
  2. Step 2: Convert to fraction form
    90,059.09/124,272.93 = 49,766.35/x
  3. Step 3: Cross multiply
    90,059.09x = 124,272.93 × 49,766.35
  4. Step 4: Simplify right side
    90,059.09x = 6,184,610,238.86
  5. Step 5: Solve for x
    x = 6,184,610,238.86/90,059.09
  6. Step 6: Final answer
    x = 68,672.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.