Home / 74,945.76-112,457.52-54,339.36

Finding the Fourth Proportional to 74,945.76, 112,457.52 and 54,339.36

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Solution

The fourth proportional to 74,945.76, 112,457.52 and 54,339.36 is: 81,537.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,945.76 : 112,457.52 = 54,339.36 : x
  2. Step 2: Convert to fraction form
    74,945.76/112,457.52 = 54,339.36/x
  3. Step 3: Cross multiply
    74,945.76x = 112,457.52 × 54,339.36
  4. Step 4: Simplify right side
    74,945.76x = 6,110,869,663.99
  5. Step 5: Solve for x
    x = 6,110,869,663.99/74,945.76
  6. Step 6: Final answer
    x = 81,537.23

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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.