Home / 70,380.20-97,125.94-38,547.07

Finding the Fourth Proportional to 70,380.20, 97,125.94 and 38,547.07

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Solution

The fourth proportional to 70,380.20, 97,125.94 and 38,547.07 is: 53,195.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,380.20 : 97,125.94 = 38,547.07 : x
  2. Step 2: Convert to fraction form
    70,380.20/97,125.94 = 38,547.07/x
  3. Step 3: Cross multiply
    70,380.20x = 97,125.94 × 38,547.07
  4. Step 4: Simplify right side
    70,380.20x = 3,743,920,213.36
  5. Step 5: Solve for x
    x = 3,743,920,213.36/70,380.20
  6. Step 6: Final answer
    x = 53,195.64

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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.