Home / 106,859.25-147,461.31-59,109.57

Finding the Fourth Proportional to 106,859.25, 147,461.31 and 59,109.57

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Solution

The fourth proportional to 106,859.25, 147,461.31 and 59,109.57 is: 81,568.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,859.25 : 147,461.31 = 59,109.57 : x
  2. Step 2: Convert to fraction form
    106,859.25/147,461.31 = 59,109.57/x
  3. Step 3: Cross multiply
    106,859.25x = 147,461.31 × 59,109.57
  4. Step 4: Simplify right side
    106,859.25x = 8,716,374,625.74
  5. Step 5: Solve for x
    x = 8,716,374,625.74/106,859.25
  6. Step 6: Final answer
    x = 81,568.74

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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.