Home / 43,106.61-64,659.95-11,941.86

Finding the Fourth Proportional to 43,106.61, 64,659.95 and 11,941.86

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Solution

The fourth proportional to 43,106.61, 64,659.95 and 11,941.86 is: 17,912.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,106.61 : 64,659.95 = 11,941.86 : x
  2. Step 2: Convert to fraction form
    43,106.61/64,659.95 = 11,941.86/x
  3. Step 3: Cross multiply
    43,106.61x = 64,659.95 × 11,941.86
  4. Step 4: Simplify right side
    43,106.61x = 772,160,264.47
  5. Step 5: Solve for x
    x = 772,160,264.47/43,106.61
  6. Step 6: Final answer
    x = 17,912.80

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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.