Home / 102,555.35-141,526.08-57,232.85

Finding the Fourth Proportional to 102,555.35, 141,526.08 and 57,232.85

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Solution

The fourth proportional to 102,555.35, 141,526.08 and 57,232.85 is: 78,981.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,555.35 : 141,526.08 = 57,232.85 : x
  2. Step 2: Convert to fraction form
    102,555.35/141,526.08 = 57,232.85/x
  3. Step 3: Cross multiply
    102,555.35x = 141,526.08 × 57,232.85
  4. Step 4: Simplify right side
    102,555.35x = 8,099,940,907.73
  5. Step 5: Solve for x
    x = 8,099,940,907.73/102,555.35
  6. Step 6: Final answer
    x = 78,981.16

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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.