Home / 108,521.83-149,733.07-62,595.51

Finding the Fourth Proportional to 108,521.83, 149,733.07 and 62,595.51

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Solution

The fourth proportional to 108,521.83, 149,733.07 and 62,595.51 is: 86,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,521.83 : 149,733.07 = 62,595.51 : x
  2. Step 2: Convert to fraction form
    108,521.83/149,733.07 = 62,595.51/x
  3. Step 3: Cross multiply
    108,521.83x = 149,733.07 × 62,595.51
  4. Step 4: Simplify right side
    108,521.83x = 9,372,617,671.68
  5. Step 5: Solve for x
    x = 9,372,617,671.68/108,521.83
  6. Step 6: Final answer
    x = 86,366.20

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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.