Home / 70,941.58-97,900.06-39,111.62

Finding the Fourth Proportional to 70,941.58, 97,900.06 and 39,111.62

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Solution

The fourth proportional to 70,941.58, 97,900.06 and 39,111.62 is: 53,974.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,941.58 : 97,900.06 = 39,111.62 : x
  2. Step 2: Convert to fraction form
    70,941.58/97,900.06 = 39,111.62/x
  3. Step 3: Cross multiply
    70,941.58x = 97,900.06 × 39,111.62
  4. Step 4: Simplify right side
    70,941.58x = 3,829,029,944.70
  5. Step 5: Solve for x
    x = 3,829,029,944.70/70,941.58
  6. Step 6: Final answer
    x = 53,974.41

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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.