Home / 75,911.09-113,882.69-28,526.60

Finding the Fourth Proportional to 75,911.09, 113,882.69 and 28,526.60

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Solution

The fourth proportional to 75,911.09, 113,882.69 and 28,526.60 is: 42,795.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,911.09 : 113,882.69 = 28,526.60 : x
  2. Step 2: Convert to fraction form
    75,911.09/113,882.69 = 28,526.60/x
  3. Step 3: Cross multiply
    75,911.09x = 113,882.69 × 28,526.60
  4. Step 4: Simplify right side
    75,911.09x = 3,248,685,232.51
  5. Step 5: Solve for x
    x = 3,248,685,232.51/75,911.09
  6. Step 6: Final answer
    x = 42,795.93

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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.