Home / 98,622.68-136,091.94-56,172.92

Finding the Fourth Proportional to 98,622.68, 136,091.94 and 56,172.92

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Solution

The fourth proportional to 98,622.68, 136,091.94 and 56,172.92 is: 77,514.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,622.68 : 136,091.94 = 56,172.92 : x
  2. Step 2: Convert to fraction form
    98,622.68/136,091.94 = 56,172.92/x
  3. Step 3: Cross multiply
    98,622.68x = 136,091.94 × 56,172.92
  4. Step 4: Simplify right side
    98,622.68x = 7,644,681,658.26
  5. Step 5: Solve for x
    x = 7,644,681,658.26/98,622.68
  6. Step 6: Final answer
    x = 77,514.44

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1.5x scale

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.