Home / 77,565.84-116,342.25-30,806.16

Finding the Fourth Proportional to 77,565.84, 116,342.25 and 30,806.16

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Solution

The fourth proportional to 77,565.84, 116,342.25 and 30,806.16 is: 46,206.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,565.84 : 116,342.25 = 30,806.16 : x
  2. Step 2: Convert to fraction form
    77,565.84/116,342.25 = 30,806.16/x
  3. Step 3: Cross multiply
    77,565.84x = 116,342.25 × 30,806.16
  4. Step 4: Simplify right side
    77,565.84x = 3,584,057,968.26
  5. Step 5: Solve for x
    x = 3,584,057,968.26/77,565.84
  6. Step 6: Final answer
    x = 46,206.65

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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.