Home / 84,289.55-126,496.53-39,916.22

Finding the Fourth Proportional to 84,289.55, 126,496.53 and 39,916.22

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Solution

The fourth proportional to 84,289.55, 126,496.53 and 39,916.22 is: 59,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,289.55 : 126,496.53 = 39,916.22 : x
  2. Step 2: Convert to fraction form
    84,289.55/126,496.53 = 39,916.22/x
  3. Step 3: Cross multiply
    84,289.55x = 126,496.53 × 39,916.22
  4. Step 4: Simplify right side
    84,289.55x = 5,049,262,688.23
  5. Step 5: Solve for x
    x = 5,049,262,688.23/84,289.55
  6. Step 6: Final answer
    x = 59,903.78

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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.