Home / 70,341.21-97,069.19-38,511.45

Finding the Fourth Proportional to 70,341.21, 97,069.19 and 38,511.45

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Solution

The fourth proportional to 70,341.21, 97,069.19 and 38,511.45 is: 53,144.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,341.21 : 97,069.19 = 38,511.45 : x
  2. Step 2: Convert to fraction form
    70,341.21/97,069.19 = 38,511.45/x
  3. Step 3: Cross multiply
    70,341.21x = 97,069.19 × 38,511.45
  4. Step 4: Simplify right side
    70,341.21x = 3,738,275,064.67
  5. Step 5: Solve for x
    x = 3,738,275,064.67/70,341.21
  6. Step 6: Final answer
    x = 53,144.88

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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.