Home / 55,981.49-77,249.79-33,007.67

Finding the Fourth Proportional to 55,981.49, 77,249.79 and 33,007.67

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Solution

The fourth proportional to 55,981.49, 77,249.79 and 33,007.67 is: 45,547.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,981.49 : 77,249.79 = 33,007.67 : x
  2. Step 2: Convert to fraction form
    55,981.49/77,249.79 = 33,007.67/x
  3. Step 3: Cross multiply
    55,981.49x = 77,249.79 × 33,007.67
  4. Step 4: Simplify right side
    55,981.49x = 2,549,835,189.64
  5. Step 5: Solve for x
    x = 2,549,835,189.64/55,981.49
  6. Step 6: Final answer
    x = 45,547.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.