Home / 69,931.85-96,507.06-38,100.74

Finding the Fourth Proportional to 69,931.85, 96,507.06 and 38,100.74

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Solution

The fourth proportional to 69,931.85, 96,507.06 and 38,100.74 is: 52,579.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,931.85 : 96,507.06 = 38,100.74 : x
  2. Step 2: Convert to fraction form
    69,931.85/96,507.06 = 38,100.74/x
  3. Step 3: Cross multiply
    69,931.85x = 96,507.06 × 38,100.74
  4. Step 4: Simplify right side
    69,931.85x = 3,676,990,401.22
  5. Step 5: Solve for x
    x = 3,676,990,401.22/69,931.85
  6. Step 6: Final answer
    x = 52,579.62

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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.