Home / 92,800.37-128,063.18-54,564.32

Finding the Fourth Proportional to 92,800.37, 128,063.18 and 54,564.32

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Solution

The fourth proportional to 92,800.37, 128,063.18 and 54,564.32 is: 75,297.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,800.37 : 128,063.18 = 54,564.32 : x
  2. Step 2: Convert to fraction form
    92,800.37/128,063.18 = 54,564.32/x
  3. Step 3: Cross multiply
    92,800.37x = 128,063.18 × 54,564.32
  4. Step 4: Simplify right side
    92,800.37x = 6,987,680,790.31
  5. Step 5: Solve for x
    x = 6,987,680,790.31/92,800.37
  6. Step 6: Final answer
    x = 75,297.98

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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.