Home / 70,008.36-96,609.69-38,177.88

Finding the Fourth Proportional to 70,008.36, 96,609.69 and 38,177.88

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Solution

The fourth proportional to 70,008.36, 96,609.69 and 38,177.88 is: 52,684.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,008.36 : 96,609.69 = 38,177.88 : x
  2. Step 2: Convert to fraction form
    70,008.36/96,609.69 = 38,177.88/x
  3. Step 3: Cross multiply
    70,008.36x = 96,609.69 × 38,177.88
  4. Step 4: Simplify right side
    70,008.36x = 3,688,353,151.66
  5. Step 5: Solve for x
    x = 3,688,353,151.66/70,008.36
  6. Step 6: Final answer
    x = 52,684.47

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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.