Home / 98,897.03-136,477.36-53,575.90

Finding the Fourth Proportional to 98,897.03, 136,477.36 and 53,575.90

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Solution

The fourth proportional to 98,897.03, 136,477.36 and 53,575.90 is: 73,934.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,897.03 : 136,477.36 = 53,575.90 : x
  2. Step 2: Convert to fraction form
    98,897.03/136,477.36 = 53,575.90/x
  3. Step 3: Cross multiply
    98,897.03x = 136,477.36 × 53,575.90
  4. Step 4: Simplify right side
    98,897.03x = 7,311,896,816.04
  5. Step 5: Solve for x
    x = 7,311,896,816.04/98,897.03
  6. Step 6: Final answer
    x = 73,934.44

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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.