Home / 79,438.08-118,974.87-46,075.40

Finding the Fourth Proportional to 79,438.08, 118,974.87 and 46,075.40

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Solution

The fourth proportional to 79,438.08, 118,974.87 and 46,075.40 is: 69,007.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,438.08 : 118,974.87 = 46,075.40 : x
  2. Step 2: Convert to fraction form
    79,438.08/118,974.87 = 46,075.40/x
  3. Step 3: Cross multiply
    79,438.08x = 118,974.87 × 46,075.40
  4. Step 4: Simplify right side
    79,438.08x = 5,481,814,130.32
  5. Step 5: Solve for x
    x = 5,481,814,130.32/79,438.08
  6. Step 6: Final answer
    x = 69,007.38

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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.