Home / 75,665.81-113,498.40-23,075.14

Finding the Fourth Proportional to 75,665.81, 113,498.40 and 23,075.14

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Solution

The fourth proportional to 75,665.81, 113,498.40 and 23,075.14 is: 34,612.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,665.81 : 113,498.40 = 23,075.14 : x
  2. Step 2: Convert to fraction form
    75,665.81/113,498.40 = 23,075.14/x
  3. Step 3: Cross multiply
    75,665.81x = 113,498.40 × 23,075.14
  4. Step 4: Simplify right side
    75,665.81x = 2,618,991,469.78
  5. Step 5: Solve for x
    x = 2,618,991,469.78/75,665.81
  6. Step 6: Final answer
    x = 34,612.61

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1.5x scale

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.