Home / 77,378.90-116,084.55-30,632.18

Finding the Fourth Proportional to 77,378.90, 116,084.55 and 30,632.18

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Solution

The fourth proportional to 77,378.90, 116,084.55 and 30,632.18 is: 45,954.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,378.90 : 116,084.55 = 30,632.18 : x
  2. Step 2: Convert to fraction form
    77,378.90/116,084.55 = 30,632.18/x
  3. Step 3: Cross multiply
    77,378.90x = 116,084.55 × 30,632.18
  4. Step 4: Simplify right side
    77,378.90x = 3,555,922,830.82
  5. Step 5: Solve for x
    x = 3,555,922,830.82/77,378.90
  6. Step 6: Final answer
    x = 45,954.68

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1.5x scale

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.