Home / 70,008.09-96,609.67-38,176.30

Finding the Fourth Proportional to 70,008.09, 96,609.67 and 38,176.30

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Solution

The fourth proportional to 70,008.09, 96,609.67 and 38,176.30 is: 52,682.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,008.09 : 96,609.67 = 38,176.30 : x
  2. Step 2: Convert to fraction form
    70,008.09/96,609.67 = 38,176.30/x
  3. Step 3: Cross multiply
    70,008.09x = 96,609.67 × 38,176.30
  4. Step 4: Simplify right side
    70,008.09x = 3,688,199,744.82
  5. Step 5: Solve for x
    x = 3,688,199,744.82/70,008.09
  6. Step 6: Final answer
    x = 52,682.48

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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.