Home / 70,668.04-106,038.38-39,072.24

Finding the Fourth Proportional to 70,668.04, 106,038.38 and 39,072.24

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Solution

The fourth proportional to 70,668.04, 106,038.38 and 39,072.24 is: 58,628.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,668.04 : 106,038.38 = 39,072.24 : x
  2. Step 2: Convert to fraction form
    70,668.04/106,038.38 = 39,072.24/x
  3. Step 3: Cross multiply
    70,668.04x = 106,038.38 × 39,072.24
  4. Step 4: Simplify right side
    70,668.04x = 4,143,157,032.57
  5. Step 5: Solve for x
    x = 4,143,157,032.57/70,668.04
  6. Step 6: Final answer
    x = 58,628.44

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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.