Home / 90,329.06-124,453.38-59,647.68

Finding the Fourth Proportional to 90,329.06, 124,453.38 and 59,647.68

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Solution

The fourth proportional to 90,329.06, 124,453.38 and 59,647.68 is: 82,181.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,329.06 : 124,453.38 = 59,647.68 : x
  2. Step 2: Convert to fraction form
    90,329.06/124,453.38 = 59,647.68/x
  3. Step 3: Cross multiply
    90,329.06x = 124,453.38 × 59,647.68
  4. Step 4: Simplify right side
    90,329.06x = 7,423,355,608.84
  5. Step 5: Solve for x
    x = 7,423,355,608.84/90,329.06
  6. Step 6: Final answer
    x = 82,181.25

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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.