Home / 77,565.51-116,348.67-30,818.52

Finding the Fourth Proportional to 77,565.51, 116,348.67 and 30,818.52

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Solution

The fourth proportional to 77,565.51, 116,348.67 and 30,818.52 is: 46,227.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,565.51 : 116,348.67 = 30,818.52 : x
  2. Step 2: Convert to fraction form
    77,565.51/116,348.67 = 30,818.52/x
  3. Step 3: Cross multiply
    77,565.51x = 116,348.67 × 30,818.52
  4. Step 4: Simplify right side
    77,565.51x = 3,585,693,813.37
  5. Step 5: Solve for x
    x = 3,585,693,813.37/77,565.51
  6. Step 6: Final answer
    x = 46,227.94

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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.