Home / 65,575.96-98,363.73-28,111.72

Finding the Fourth Proportional to 65,575.96, 98,363.73 and 28,111.72

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Solution

The fourth proportional to 65,575.96, 98,363.73 and 28,111.72 is: 42,167.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,575.96 : 98,363.73 = 28,111.72 : x
  2. Step 2: Convert to fraction form
    65,575.96/98,363.73 = 28,111.72/x
  3. Step 3: Cross multiply
    65,575.96x = 98,363.73 × 28,111.72
  4. Step 4: Simplify right side
    65,575.96x = 2,765,173,635.92
  5. Step 5: Solve for x
    x = 2,765,173,635.92/65,575.96
  6. Step 6: Final answer
    x = 42,167.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.