Home / 89,669.84-123,828.36-56,194.16

Finding the Fourth Proportional to 89,669.84, 123,828.36 and 56,194.16

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Solution

The fourth proportional to 89,669.84, 123,828.36 and 56,194.16 is: 77,600.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,669.84 : 123,828.36 = 56,194.16 : x
  2. Step 2: Convert to fraction form
    89,669.84/123,828.36 = 56,194.16/x
  3. Step 3: Cross multiply
    89,669.84x = 123,828.36 × 56,194.16
  4. Step 4: Simplify right side
    89,669.84x = 6,958,430,674.38
  5. Step 5: Solve for x
    x = 6,958,430,674.38/89,669.84
  6. Step 6: Final answer
    x = 77,600.57

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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.