Home / 70,828.08-97,741.92-38,996.28

Finding the Fourth Proportional to 70,828.08, 97,741.92 and 38,996.28

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Solution

The fourth proportional to 70,828.08, 97,741.92 and 38,996.28 is: 53,814.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,828.08 : 97,741.92 = 38,996.28 : x
  2. Step 2: Convert to fraction form
    70,828.08/97,741.92 = 38,996.28/x
  3. Step 3: Cross multiply
    70,828.08x = 97,741.92 × 38,996.28
  4. Step 4: Simplify right side
    70,828.08x = 3,811,571,280.06
  5. Step 5: Solve for x
    x = 3,811,571,280.06/70,828.08
  6. Step 6: Final answer
    x = 53,814.41

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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.