Home / 77,968.81-116,965.83-30,558.19

Finding the Fourth Proportional to 77,968.81, 116,965.83 and 30,558.19

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Solution

The fourth proportional to 77,968.81, 116,965.83 and 30,558.19 is: 45,842.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,968.81 : 116,965.83 = 30,558.19 : x
  2. Step 2: Convert to fraction form
    77,968.81/116,965.83 = 30,558.19/x
  3. Step 3: Cross multiply
    77,968.81x = 116,965.83 × 30,558.19
  4. Step 4: Simplify right side
    77,968.81x = 3,574,264,056.65
  5. Step 5: Solve for x
    x = 3,574,264,056.65/77,968.81
  6. Step 6: Final answer
    x = 45,842.23

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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.