Home / 77,783.54-116,677.61-30,396.72

Finding the Fourth Proportional to 77,783.54, 116,677.61 and 30,396.72

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Solution

The fourth proportional to 77,783.54, 116,677.61 and 30,396.72 is: 45,595.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,783.54 : 116,677.61 = 30,396.72 : x
  2. Step 2: Convert to fraction form
    77,783.54/116,677.61 = 30,396.72/x
  3. Step 3: Cross multiply
    77,783.54x = 116,677.61 × 30,396.72
  4. Step 4: Simplify right side
    77,783.54x = 3,546,616,489.46
  5. Step 5: Solve for x
    x = 3,546,616,489.46/77,783.54
  6. Step 6: Final answer
    x = 45,595.98

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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.