Home / 83,564.76-115,325.70-47,756.28

Finding the Fourth Proportional to 83,564.76, 115,325.70 and 47,756.28

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Solution

The fourth proportional to 83,564.76, 115,325.70 and 47,756.28 is: 65,907.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,564.76 : 115,325.70 = 47,756.28 : x
  2. Step 2: Convert to fraction form
    83,564.76/115,325.70 = 47,756.28/x
  3. Step 3: Cross multiply
    83,564.76x = 115,325.70 × 47,756.28
  4. Step 4: Simplify right side
    83,564.76x = 5,507,526,420.40
  5. Step 5: Solve for x
    x = 5,507,526,420.40/83,564.76
  6. Step 6: Final answer
    x = 65,907.28

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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.