Home / 98,837.10-136,395.30-53,515.08

Finding the Fourth Proportional to 98,837.10, 136,395.30 and 53,515.08

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Solution

The fourth proportional to 98,837.10, 136,395.30 and 53,515.08 is: 73,850.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,837.10 : 136,395.30 = 53,515.08 : x
  2. Step 2: Convert to fraction form
    98,837.10/136,395.30 = 53,515.08/x
  3. Step 3: Cross multiply
    98,837.10x = 136,395.30 × 53,515.08
  4. Step 4: Simplify right side
    98,837.10x = 7,299,205,391.12
  5. Step 5: Solve for x
    x = 7,299,205,391.12/98,837.10
  6. Step 6: Final answer
    x = 73,850.87

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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.