Home / 106,854.21-147,459.12-59,107.56

Finding the Fourth Proportional to 106,854.21, 147,459.12 and 59,107.56

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Solution

The fourth proportional to 106,854.21, 147,459.12 and 59,107.56 is: 81,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,854.21 : 147,459.12 = 59,107.56 : x
  2. Step 2: Convert to fraction form
    106,854.21/147,459.12 = 59,107.56/x
  3. Step 3: Cross multiply
    106,854.21x = 147,459.12 × 59,107.56
  4. Step 4: Simplify right side
    106,854.21x = 8,715,948,832.53
  5. Step 5: Solve for x
    x = 8,715,948,832.53/106,854.21
  6. Step 6: Final answer
    x = 81,568.60

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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.