Home / 98,714.78-136,225.94-53,392.80

Finding the Fourth Proportional to 98,714.78, 136,225.94 and 53,392.80

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Solution

The fourth proportional to 98,714.78, 136,225.94 and 53,392.80 is: 73,681.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,714.78 : 136,225.94 = 53,392.80 : x
  2. Step 2: Convert to fraction form
    98,714.78/136,225.94 = 53,392.80/x
  3. Step 3: Cross multiply
    98,714.78x = 136,225.94 × 53,392.80
  4. Step 4: Simplify right side
    98,714.78x = 7,273,484,102.27
  5. Step 5: Solve for x
    x = 7,273,484,102.27/98,714.78
  6. Step 6: Final answer
    x = 73,681.82

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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.