Home / 70,461.18-97,236.40-38,629.40

Finding the Fourth Proportional to 70,461.18, 97,236.40 and 38,629.40

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Solution

The fourth proportional to 70,461.18, 97,236.40 and 38,629.40 is: 53,308.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,461.18 : 97,236.40 = 38,629.40 : x
  2. Step 2: Convert to fraction form
    70,461.18/97,236.40 = 38,629.40/x
  3. Step 3: Cross multiply
    70,461.18x = 97,236.40 × 38,629.40
  4. Step 4: Simplify right side
    70,461.18x = 3,756,183,790.16
  5. Step 5: Solve for x
    x = 3,756,183,790.16/70,461.18
  6. Step 6: Final answer
    x = 53,308.56

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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.