Home / 70,075.33-105,050.50-25,691.74

Finding the Fourth Proportional to 70,075.33, 105,050.50 and 25,691.74

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Solution

The fourth proportional to 70,075.33, 105,050.50 and 25,691.74 is: 38,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,075.33 : 105,050.50 = 25,691.74 : x
  2. Step 2: Convert to fraction form
    70,075.33/105,050.50 = 25,691.74/x
  3. Step 3: Cross multiply
    70,075.33x = 105,050.50 × 25,691.74
  4. Step 4: Simplify right side
    70,075.33x = 2,698,930,296.30
  5. Step 5: Solve for x
    x = 2,698,930,296.30/70,075.33
  6. Step 6: Final answer
    x = 38,514.70

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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.