Home / 89,574.89-123,616.29-51,341.69

Finding the Fourth Proportional to 89,574.89, 123,616.29 and 51,341.69

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Solution

The fourth proportional to 89,574.89, 123,616.29 and 51,341.69 is: 70,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,574.89 : 123,616.29 = 51,341.69 : x
  2. Step 2: Convert to fraction form
    89,574.89/123,616.29 = 51,341.69/x
  3. Step 3: Cross multiply
    89,574.89x = 123,616.29 × 51,341.69
  4. Step 4: Simplify right side
    89,574.89x = 6,346,669,240.13
  5. Step 5: Solve for x
    x = 6,346,669,240.13/89,574.89
  6. Step 6: Final answer
    x = 70,853.22

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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.