Home / 63,140.36-87,130.68-36,263.96

Finding the Fourth Proportional to 63,140.36, 87,130.68 and 36,263.96

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Solution

The fourth proportional to 63,140.36, 87,130.68 and 36,263.96 is: 50,042.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,140.36 : 87,130.68 = 36,263.96 : x
  2. Step 2: Convert to fraction form
    63,140.36/87,130.68 = 36,263.96/x
  3. Step 3: Cross multiply
    63,140.36x = 87,130.68 × 36,263.96
  4. Step 4: Simplify right side
    63,140.36x = 3,159,703,494.29
  5. Step 5: Solve for x
    x = 3,159,703,494.29/63,140.36
  6. Step 6: Final answer
    x = 50,042.53

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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.