Home / 98,341.04-135,711.48-53,631.92

Finding the Fourth Proportional to 98,341.04, 135,711.48 and 53,631.92

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Solution

The fourth proportional to 98,341.04, 135,711.48 and 53,631.92 is: 74,012.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,341.04 : 135,711.48 = 53,631.92 : x
  2. Step 2: Convert to fraction form
    98,341.04/135,711.48 = 53,631.92/x
  3. Step 3: Cross multiply
    98,341.04x = 135,711.48 × 53,631.92
  4. Step 4: Simplify right side
    98,341.04x = 7,278,467,238.44
  5. Step 5: Solve for x
    x = 7,278,467,238.44/98,341.04
  6. Step 6: Final answer
    x = 74,012.51

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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.