Home / 85,599.33-128,329.40-35,716.58

Finding the Fourth Proportional to 85,599.33, 128,329.40 and 35,716.58

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Solution

The fourth proportional to 85,599.33, 128,329.40 and 35,716.58 is: 53,545.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,599.33 : 128,329.40 = 35,716.58 : x
  2. Step 2: Convert to fraction form
    85,599.33/128,329.40 = 35,716.58/x
  3. Step 3: Cross multiply
    85,599.33x = 128,329.40 × 35,716.58
  4. Step 4: Simplify right side
    85,599.33x = 4,583,487,281.45
  5. Step 5: Solve for x
    x = 4,583,487,281.45/85,599.33
  6. Step 6: Final answer
    x = 53,545.83

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1.5x scale

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.