Home / 70,419.20-97,125.51-48,908.97

Finding the Fourth Proportional to 70,419.20, 97,125.51 and 48,908.97

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Solution

The fourth proportional to 70,419.20, 97,125.51 and 48,908.97 is: 67,457.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,419.20 : 97,125.51 = 48,908.97 : x
  2. Step 2: Convert to fraction form
    70,419.20/97,125.51 = 48,908.97/x
  3. Step 3: Cross multiply
    70,419.20x = 97,125.51 × 48,908.97
  4. Step 4: Simplify right side
    70,419.20x = 4,750,308,169.20
  5. Step 5: Solve for x
    x = 4,750,308,169.20/70,419.20
  6. Step 6: Final answer
    x = 67,457.58

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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.