Home / 62,979.45-86,907.63-34,685.13

Finding the Fourth Proportional to 62,979.45, 86,907.63 and 34,685.13

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Solution

The fourth proportional to 62,979.45, 86,907.63 and 34,685.13 is: 47,863.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,979.45 : 86,907.63 = 34,685.13 : x
  2. Step 2: Convert to fraction form
    62,979.45/86,907.63 = 34,685.13/x
  3. Step 3: Cross multiply
    62,979.45x = 86,907.63 × 34,685.13
  4. Step 4: Simplify right side
    62,979.45x = 3,014,402,444.54
  5. Step 5: Solve for x
    x = 3,014,402,444.54/62,979.45
  6. Step 6: Final answer
    x = 47,863.27

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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.