Home / 75,981.89-113,988.68-23,388.77

Finding the Fourth Proportional to 75,981.89, 113,988.68 and 23,388.77

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Solution

The fourth proportional to 75,981.89, 113,988.68 and 23,388.77 is: 35,088.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,981.89 : 113,988.68 = 23,388.77 : x
  2. Step 2: Convert to fraction form
    75,981.89/113,988.68 = 23,388.77/x
  3. Step 3: Cross multiply
    75,981.89x = 113,988.68 × 23,388.77
  4. Step 4: Simplify right side
    75,981.89x = 2,666,054,902.18
  5. Step 5: Solve for x
    x = 2,666,054,902.18/75,981.89
  6. Step 6: Final answer
    x = 35,088.03

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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.