Home / 102,398.09-153,627.37-52,513.13

Finding the Fourth Proportional to 102,398.09, 153,627.37 and 52,513.13

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Solution

The fourth proportional to 102,398.09, 153,627.37 and 52,513.13 is: 78,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,398.09 : 153,627.37 = 52,513.13 : x
  2. Step 2: Convert to fraction form
    102,398.09/153,627.37 = 52,513.13/x
  3. Step 3: Cross multiply
    102,398.09x = 153,627.37 × 52,513.13
  4. Step 4: Simplify right side
    102,398.09x = 8,067,453,152.95
  5. Step 5: Solve for x
    x = 8,067,453,152.95/102,398.09
  6. Step 6: Final answer
    x = 78,785.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.