Home / 118,634.43-163,726.68-70,886.77

Finding the Fourth Proportional to 118,634.43, 163,726.68 and 70,886.77

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Solution

The fourth proportional to 118,634.43, 163,726.68 and 70,886.77 is: 97,830.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,634.43 : 163,726.68 = 70,886.77 : x
  2. Step 2: Convert to fraction form
    118,634.43/163,726.68 = 70,886.77/x
  3. Step 3: Cross multiply
    118,634.43x = 163,726.68 × 70,886.77
  4. Step 4: Simplify right side
    118,634.43x = 11,606,055,508.02
  5. Step 5: Solve for x
    x = 11,606,055,508.02/118,634.43
  6. Step 6: Final answer
    x = 97,830.41

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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.