Home / 92,929.44-128,234.65-51,537.75

Finding the Fourth Proportional to 92,929.44, 128,234.65 and 51,537.75

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Solution

The fourth proportional to 92,929.44, 128,234.65 and 51,537.75 is: 71,117.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,929.44 : 128,234.65 = 51,537.75 : x
  2. Step 2: Convert to fraction form
    92,929.44/128,234.65 = 51,537.75/x
  3. Step 3: Cross multiply
    92,929.44x = 128,234.65 × 51,537.75
  4. Step 4: Simplify right side
    92,929.44x = 6,608,925,333.04
  5. Step 5: Solve for x
    x = 6,608,925,333.04/92,929.44
  6. Step 6: Final answer
    x = 71,117.67

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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.