Home / 71,257.12-98,379.44-45,773.76

Finding the Fourth Proportional to 71,257.12, 98,379.44 and 45,773.76

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Solution

The fourth proportional to 71,257.12, 98,379.44 and 45,773.76 is: 63,196.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,257.12 : 98,379.44 = 45,773.76 : x
  2. Step 2: Convert to fraction form
    71,257.12/98,379.44 = 45,773.76/x
  3. Step 3: Cross multiply
    71,257.12x = 98,379.44 × 45,773.76
  4. Step 4: Simplify right side
    71,257.12x = 4,503,196,875.49
  5. Step 5: Solve for x
    x = 4,503,196,875.49/71,257.12
  6. Step 6: Final answer
    x = 63,196.45

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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.