Home / 70,929.37-97,883.21-39,099.42

Finding the Fourth Proportional to 70,929.37, 97,883.21 and 39,099.42

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Solution

The fourth proportional to 70,929.37, 97,883.21 and 39,099.42 is: 53,957.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,929.37 : 97,883.21 = 39,099.42 : x
  2. Step 2: Convert to fraction form
    70,929.37/97,883.21 = 39,099.42/x
  3. Step 3: Cross multiply
    70,929.37x = 97,883.21 × 39,099.42
  4. Step 4: Simplify right side
    70,929.37x = 3,827,176,738.74
  5. Step 5: Solve for x
    x = 3,827,176,738.74/70,929.37
  6. Step 6: Final answer
    x = 53,957.57

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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.