Home / 79,075.56-118,600.10-34,690.40

Finding the Fourth Proportional to 79,075.56, 118,600.10 and 34,690.40

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Solution

The fourth proportional to 79,075.56, 118,600.10 and 34,690.40 is: 52,029.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,075.56 : 118,600.10 = 34,690.40 : x
  2. Step 2: Convert to fraction form
    79,075.56/118,600.10 = 34,690.40/x
  3. Step 3: Cross multiply
    79,075.56x = 118,600.10 × 34,690.40
  4. Step 4: Simplify right side
    79,075.56x = 4,114,284,909.04
  5. Step 5: Solve for x
    x = 4,114,284,909.04/79,075.56
  6. Step 6: Final answer
    x = 52,029.79

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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.