Home / 70,919.06-97,867.98-38,655.54

Finding the Fourth Proportional to 70,919.06, 97,867.98 and 38,655.54

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Solution

The fourth proportional to 70,919.06, 97,867.98 and 38,655.54 is: 53,344.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,919.06 : 97,867.98 = 38,655.54 : x
  2. Step 2: Convert to fraction form
    70,919.06/97,867.98 = 38,655.54/x
  3. Step 3: Cross multiply
    70,919.06x = 97,867.98 × 38,655.54
  4. Step 4: Simplify right side
    70,919.06x = 3,783,139,615.61
  5. Step 5: Solve for x
    x = 3,783,139,615.61/70,919.06
  6. Step 6: Final answer
    x = 53,344.47

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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.