Home / 117,675.48-176,457.78-42,742.79

Finding the Fourth Proportional to 117,675.48, 176,457.78 and 42,742.79

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Solution

The fourth proportional to 117,675.48, 176,457.78 and 42,742.79 is: 64,094.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,675.48 : 176,457.78 = 42,742.79 : x
  2. Step 2: Convert to fraction form
    117,675.48/176,457.78 = 42,742.79/x
  3. Step 3: Cross multiply
    117,675.48x = 176,457.78 × 42,742.79
  4. Step 4: Simplify right side
    117,675.48x = 7,542,296,952.12
  5. Step 5: Solve for x
    x = 7,542,296,952.12/117,675.48
  6. Step 6: Final answer
    x = 64,094.04

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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.