Home / 89,666.23-123,798.94-55,725.36

Finding the Fourth Proportional to 89,666.23, 123,798.94 and 55,725.36

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Solution

The fourth proportional to 89,666.23, 123,798.94 and 55,725.36 is: 76,938.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,666.23 : 123,798.94 = 55,725.36 : x
  2. Step 2: Convert to fraction form
    89,666.23/123,798.94 = 55,725.36/x
  3. Step 3: Cross multiply
    89,666.23x = 123,798.94 × 55,725.36
  4. Step 4: Simplify right side
    89,666.23x = 6,898,740,499.12
  5. Step 5: Solve for x
    x = 6,898,740,499.12/89,666.23
  6. Step 6: Final answer
    x = 76,938.00

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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.