Home / 113,090.21-169,376.95-53,967.40

Finding the Fourth Proportional to 113,090.21, 169,376.95 and 53,967.40

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Solution

The fourth proportional to 113,090.21, 169,376.95 and 53,967.40 is: 80,827.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,090.21 : 169,376.95 = 53,967.40 : x
  2. Step 2: Convert to fraction form
    113,090.21/169,376.95 = 53,967.40/x
  3. Step 3: Cross multiply
    113,090.21x = 169,376.95 × 53,967.40
  4. Step 4: Simplify right side
    113,090.21x = 9,140,833,611.43
  5. Step 5: Solve for x
    x = 9,140,833,611.43/113,090.21
  6. Step 6: Final answer
    x = 80,827.81

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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.