Home / 97,385.87-134,448.40-74,233.93

Finding the Fourth Proportional to 97,385.87, 134,448.40 and 74,233.93

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Solution

The fourth proportional to 97,385.87, 134,448.40 and 74,233.93 is: 102,485.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,385.87 : 134,448.40 = 74,233.93 : x
  2. Step 2: Convert to fraction form
    97,385.87/134,448.40 = 74,233.93/x
  3. Step 3: Cross multiply
    97,385.87x = 134,448.40 × 74,233.93
  4. Step 4: Simplify right side
    97,385.87x = 9,980,633,114.21
  5. Step 5: Solve for x
    x = 9,980,633,114.21/97,385.87
  6. Step 6: Final answer
    x = 102,485.43

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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.