Home / 93,668.68-129,111.04-73,215.12

Finding the Fourth Proportional to 93,668.68, 129,111.04 and 73,215.12

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Solution

The fourth proportional to 93,668.68, 129,111.04 and 73,215.12 is: 100,918.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,668.68 : 129,111.04 = 73,215.12 : x
  2. Step 2: Convert to fraction form
    93,668.68/129,111.04 = 73,215.12/x
  3. Step 3: Cross multiply
    93,668.68x = 129,111.04 × 73,215.12
  4. Step 4: Simplify right side
    93,668.68x = 9,452,880,286.92
  5. Step 5: Solve for x
    x = 9,452,880,286.92/93,668.68
  6. Step 6: Final answer
    x = 100,918.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.