Home / 77,698.05-116,471.47-49,530.21

Finding the Fourth Proportional to 77,698.05, 116,471.47 and 49,530.21

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Solution

The fourth proportional to 77,698.05, 116,471.47 and 49,530.21 is: 74,247.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,698.05 : 116,471.47 = 49,530.21 : x
  2. Step 2: Convert to fraction form
    77,698.05/116,471.47 = 49,530.21/x
  3. Step 3: Cross multiply
    77,698.05x = 116,471.47 × 49,530.21
  4. Step 4: Simplify right side
    77,698.05x = 5,768,856,368.11
  5. Step 5: Solve for x
    x = 5,768,856,368.11/77,698.05
  6. Step 6: Final answer
    x = 74,247.12

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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.