Home / 77,535.33-116,303.51-21,378.47

Finding the Fourth Proportional to 77,535.33, 116,303.51 and 21,378.47

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Solution

The fourth proportional to 77,535.33, 116,303.51 and 21,378.47 is: 32,067.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,535.33 : 116,303.51 = 21,378.47 : x
  2. Step 2: Convert to fraction form
    77,535.33/116,303.51 = 21,378.47/x
  3. Step 3: Cross multiply
    77,535.33x = 116,303.51 × 21,378.47
  4. Step 4: Simplify right side
    77,535.33x = 2,486,390,571.36
  5. Step 5: Solve for x
    x = 2,486,390,571.36/77,535.33
  6. Step 6: Final answer
    x = 32,067.84

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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.