Home / 70,100.45-96,740.09-38,270.69

Finding the Fourth Proportional to 70,100.45, 96,740.09 and 38,270.69

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Solution

The fourth proportional to 70,100.45, 96,740.09 and 38,270.69 is: 52,814.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,100.45 : 96,740.09 = 38,270.69 : x
  2. Step 2: Convert to fraction form
    70,100.45/96,740.09 = 38,270.69/x
  3. Step 3: Cross multiply
    70,100.45x = 96,740.09 × 38,270.69
  4. Step 4: Simplify right side
    70,100.45x = 3,702,309,803.61
  5. Step 5: Solve for x
    x = 3,702,309,803.61/70,100.45
  6. Step 6: Final answer
    x = 52,814.35

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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.