Home / 99,342.52-137,093.66-56,900.16

Finding the Fourth Proportional to 99,342.52, 137,093.66 and 56,900.16

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Solution

The fourth proportional to 99,342.52, 137,093.66 and 56,900.16 is: 78,522.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,342.52 : 137,093.66 = 56,900.16 : x
  2. Step 2: Convert to fraction form
    99,342.52/137,093.66 = 56,900.16/x
  3. Step 3: Cross multiply
    99,342.52x = 137,093.66 × 56,900.16
  4. Step 4: Simplify right side
    99,342.52x = 7,800,651,188.99
  5. Step 5: Solve for x
    x = 7,800,651,188.99/99,342.52
  6. Step 6: Final answer
    x = 78,522.78

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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.