Home / 98,827.20-136,380.51-53,503.98

Finding the Fourth Proportional to 98,827.20, 136,380.51 and 53,503.98

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Solution

The fourth proportional to 98,827.20, 136,380.51 and 53,503.98 is: 73,834.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,827.20 : 136,380.51 = 53,503.98 : x
  2. Step 2: Convert to fraction form
    98,827.20/136,380.51 = 53,503.98/x
  3. Step 3: Cross multiply
    98,827.20x = 136,380.51 × 53,503.98
  4. Step 4: Simplify right side
    98,827.20x = 7,296,900,079.43
  5. Step 5: Solve for x
    x = 7,296,900,079.43/98,827.20
  6. Step 6: Final answer
    x = 73,834.94

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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.