Home / 70,181.19-96,854.00-65,457.27

Finding the Fourth Proportional to 70,181.19, 96,854.00 and 65,457.27

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Solution

The fourth proportional to 70,181.19, 96,854.00 and 65,457.27 is: 90,334.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,181.19 : 96,854.00 = 65,457.27 : x
  2. Step 2: Convert to fraction form
    70,181.19/96,854.00 = 65,457.27/x
  3. Step 3: Cross multiply
    70,181.19x = 96,854.00 × 65,457.27
  4. Step 4: Simplify right side
    70,181.19x = 6,339,798,101.29
  5. Step 5: Solve for x
    x = 6,339,798,101.29/70,181.19
  6. Step 6: Final answer
    x = 90,334.72

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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.