Home / 89,154.96-123,025.68-51,421.92

Finding the Fourth Proportional to 89,154.96, 123,025.68 and 51,421.92

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Solution

The fourth proportional to 89,154.96, 123,025.68 and 51,421.92 is: 70,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,154.96 : 123,025.68 = 51,421.92 : x
  2. Step 2: Convert to fraction form
    89,154.96/123,025.68 = 51,421.92/x
  3. Step 3: Cross multiply
    89,154.96x = 123,025.68 × 51,421.92
  4. Step 4: Simplify right side
    89,154.96x = 6,326,216,674.91
  5. Step 5: Solve for x
    x = 6,326,216,674.91/89,154.96
  6. Step 6: Final answer
    x = 70,957.54

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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.