Home / 70,613.76-97,481.44-55,457.85

Finding the Fourth Proportional to 70,613.76, 97,481.44 and 55,457.85

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Solution

The fourth proportional to 70,613.76, 97,481.44 and 55,457.85 is: 76,558.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,613.76 : 97,481.44 = 55,457.85 : x
  2. Step 2: Convert to fraction form
    70,613.76/97,481.44 = 55,457.85/x
  3. Step 3: Cross multiply
    70,613.76x = 97,481.44 × 55,457.85
  4. Step 4: Simplify right side
    70,613.76x = 5,406,111,077.30
  5. Step 5: Solve for x
    x = 5,406,111,077.30/70,613.76
  6. Step 6: Final answer
    x = 76,558.89

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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.