Home / 70,038.23-96,652.55-38,206.90

Finding the Fourth Proportional to 70,038.23, 96,652.55 and 38,206.90

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Solution

The fourth proportional to 70,038.23, 96,652.55 and 38,206.90 is: 52,725.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,038.23 : 96,652.55 = 38,206.90 : x
  2. Step 2: Convert to fraction form
    70,038.23/96,652.55 = 38,206.90/x
  3. Step 3: Cross multiply
    70,038.23x = 96,652.55 × 38,206.90
  4. Step 4: Simplify right side
    70,038.23x = 3,692,794,149.64
  5. Step 5: Solve for x
    x = 3,692,794,149.64/70,038.23
  6. Step 6: Final answer
    x = 52,725.41

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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.