Home / 98,897.44-136,476.48-56,455.04

Finding the Fourth Proportional to 98,897.44, 136,476.48 and 56,455.04

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Solution

The fourth proportional to 98,897.44, 136,476.48 and 56,455.04 is: 77,906.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,897.44 : 136,476.48 = 56,455.04 : x
  2. Step 2: Convert to fraction form
    98,897.44/136,476.48 = 56,455.04/x
  3. Step 3: Cross multiply
    98,897.44x = 136,476.48 × 56,455.04
  4. Step 4: Simplify right side
    98,897.44x = 7,704,785,137.46
  5. Step 5: Solve for x
    x = 7,704,785,137.46/98,897.44
  6. Step 6: Final answer
    x = 77,906.82

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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.