Home / 70,941.71-97,900.23-39,111.75

Finding the Fourth Proportional to 70,941.71, 97,900.23 and 39,111.75

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Solution

The fourth proportional to 70,941.71, 97,900.23 and 39,111.75 is: 53,974.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,941.71 : 97,900.23 = 39,111.75 : x
  2. Step 2: Convert to fraction form
    70,941.71/97,900.23 = 39,111.75/x
  3. Step 3: Cross multiply
    70,941.71x = 97,900.23 × 39,111.75
  4. Step 4: Simplify right side
    70,941.71x = 3,829,049,467.37
  5. Step 5: Solve for x
    x = 3,829,049,467.37/70,941.71
  6. Step 6: Final answer
    x = 53,974.58

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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.