Home / 86,922.17-130,402.79-46,940.26

Finding the Fourth Proportional to 86,922.17, 130,402.79 and 46,940.26

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Solution

The fourth proportional to 86,922.17, 130,402.79 and 46,940.26 is: 70,420.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,922.17 : 130,402.79 = 46,940.26 : x
  2. Step 2: Convert to fraction form
    86,922.17/130,402.79 = 46,940.26/x
  3. Step 3: Cross multiply
    86,922.17x = 130,402.79 × 46,940.26
  4. Step 4: Simplify right side
    86,922.17x = 6,121,140,867.33
  5. Step 5: Solve for x
    x = 6,121,140,867.33/86,922.17
  6. Step 6: Final answer
    x = 70,420.94

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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.