Home / 74,345.34-111,516.54-29,971.08

Finding the Fourth Proportional to 74,345.34, 111,516.54 and 29,971.08

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Solution

The fourth proportional to 74,345.34, 111,516.54 and 29,971.08 is: 44,956.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,345.34 : 111,516.54 = 29,971.08 : x
  2. Step 2: Convert to fraction form
    74,345.34/111,516.54 = 29,971.08/x
  3. Step 3: Cross multiply
    74,345.34x = 111,516.54 × 29,971.08
  4. Step 4: Simplify right side
    74,345.34x = 3,342,271,141.66
  5. Step 5: Solve for x
    x = 3,342,271,141.66/74,345.34
  6. Step 6: Final answer
    x = 44,956.03

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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.