Home / 66,293.92-99,457.26-31,225.36

Finding the Fourth Proportional to 66,293.92, 99,457.26 and 31,225.36

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Solution

The fourth proportional to 66,293.92, 99,457.26 and 31,225.36 is: 46,845.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,293.92 : 99,457.26 = 31,225.36 : x
  2. Step 2: Convert to fraction form
    66,293.92/99,457.26 = 31,225.36/x
  3. Step 3: Cross multiply
    66,293.92x = 99,457.26 × 31,225.36
  4. Step 4: Simplify right side
    66,293.92x = 3,105,588,748.11
  5. Step 5: Solve for x
    x = 3,105,588,748.11/66,293.92
  6. Step 6: Final answer
    x = 46,845.76

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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.