Home / 97,690.22-134,817.47-57,416.96

Finding the Fourth Proportional to 97,690.22, 134,817.47 and 57,416.96

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Solution

The fourth proportional to 97,690.22, 134,817.47 and 57,416.96 is: 79,238.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,690.22 : 134,817.47 = 57,416.96 : x
  2. Step 2: Convert to fraction form
    97,690.22/134,817.47 = 57,416.96/x
  3. Step 3: Cross multiply
    97,690.22x = 134,817.47 × 57,416.96
  4. Step 4: Simplify right side
    97,690.22x = 7,740,809,282.29
  5. Step 5: Solve for x
    x = 7,740,809,282.29/97,690.22
  6. Step 6: Final answer
    x = 79,238.32

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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.