Home / 77,570.41-116,318.70-35,438.02

Finding the Fourth Proportional to 77,570.41, 116,318.70 and 35,438.02

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Solution

The fourth proportional to 77,570.41, 116,318.70 and 35,438.02 is: 53,140.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,570.41 : 116,318.70 = 35,438.02 : x
  2. Step 2: Convert to fraction form
    77,570.41/116,318.70 = 35,438.02/x
  3. Step 3: Cross multiply
    77,570.41x = 116,318.70 × 35,438.02
  4. Step 4: Simplify right side
    77,570.41x = 4,122,104,416.97
  5. Step 5: Solve for x
    x = 4,122,104,416.97/77,570.41
  6. Step 6: Final answer
    x = 53,140.17

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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.