Home / 89,369.51-123,278.46-53,538.77

Finding the Fourth Proportional to 89,369.51, 123,278.46 and 53,538.77

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Solution

The fourth proportional to 89,369.51, 123,278.46 and 53,538.77 is: 73,852.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,369.51 : 123,278.46 = 53,538.77 : x
  2. Step 2: Convert to fraction form
    89,369.51/123,278.46 = 53,538.77/x
  3. Step 3: Cross multiply
    89,369.51x = 123,278.46 × 53,538.77
  4. Step 4: Simplify right side
    89,369.51x = 6,600,177,223.32
  5. Step 5: Solve for x
    x = 6,600,177,223.32/89,369.51
  6. Step 6: Final answer
    x = 73,852.67

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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.