Home / 47,907.12-66,113.87-26,686.40

Finding the Fourth Proportional to 47,907.12, 66,113.87 and 26,686.40

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Solution

The fourth proportional to 47,907.12, 66,113.87 and 26,686.40 is: 36,828.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,907.12 : 66,113.87 = 26,686.40 : x
  2. Step 2: Convert to fraction form
    47,907.12/66,113.87 = 26,686.40/x
  3. Step 3: Cross multiply
    47,907.12x = 66,113.87 × 26,686.40
  4. Step 4: Simplify right side
    47,907.12x = 1,764,341,180.37
  5. Step 5: Solve for x
    x = 1,764,341,180.37/47,907.12
  6. Step 6: Final answer
    x = 36,828.37

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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.