Home / 74,907.48-103,370.52-43,075.68

Finding the Fourth Proportional to 74,907.48, 103,370.52 and 43,075.68

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Solution

The fourth proportional to 74,907.48, 103,370.52 and 43,075.68 is: 59,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,907.48 : 103,370.52 = 43,075.68 : x
  2. Step 2: Convert to fraction form
    74,907.48/103,370.52 = 43,075.68/x
  3. Step 3: Cross multiply
    74,907.48x = 103,370.52 × 43,075.68
  4. Step 4: Simplify right side
    74,907.48x = 4,452,755,440.95
  5. Step 5: Solve for x
    x = 4,452,755,440.95/74,907.48
  6. Step 6: Final answer
    x = 59,443.40

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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.