Home / 98,857.18-136,422.22-53,534.12

Finding the Fourth Proportional to 98,857.18, 136,422.22 and 53,534.12

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Solution

The fourth proportional to 98,857.18, 136,422.22 and 53,534.12 is: 73,876.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,857.18 : 136,422.22 = 53,534.12 : x
  2. Step 2: Convert to fraction form
    98,857.18/136,422.22 = 53,534.12/x
  3. Step 3: Cross multiply
    98,857.18x = 136,422.22 × 53,534.12
  4. Step 4: Simplify right side
    98,857.18x = 7,303,243,496.15
  5. Step 5: Solve for x
    x = 7,303,243,496.15/98,857.18
  6. Step 6: Final answer
    x = 73,876.71

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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.