Home / 70,806.19-97,678.38-43,979.89

Finding the Fourth Proportional to 70,806.19, 97,678.38 and 43,979.89

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Solution

The fourth proportional to 70,806.19, 97,678.38 and 43,979.89 is: 60,671.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,806.19 : 97,678.38 = 43,979.89 : x
  2. Step 2: Convert to fraction form
    70,806.19/97,678.38 = 43,979.89/x
  3. Step 3: Cross multiply
    70,806.19x = 97,678.38 × 43,979.89
  4. Step 4: Simplify right side
    70,806.19x = 4,295,884,407.78
  5. Step 5: Solve for x
    x = 4,295,884,407.78/70,806.19
  6. Step 6: Final answer
    x = 60,671.03

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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.