Home / 89,818.45-123,950.33-49,533.64

Finding the Fourth Proportional to 89,818.45, 123,950.33 and 49,533.64

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Solution

The fourth proportional to 89,818.45, 123,950.33 and 49,533.64 is: 68,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,818.45 : 123,950.33 = 49,533.64 : x
  2. Step 2: Convert to fraction form
    89,818.45/123,950.33 = 49,533.64/x
  3. Step 3: Cross multiply
    89,818.45x = 123,950.33 × 49,533.64
  4. Step 4: Simplify right side
    89,818.45x = 6,139,711,024.10
  5. Step 5: Solve for x
    x = 6,139,711,024.10/89,818.45
  6. Step 6: Final answer
    x = 68,356.90

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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.