Home / 123,026.25-169,776.81-69,312.11

Finding the Fourth Proportional to 123,026.25, 169,776.81 and 69,312.11

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Solution

The fourth proportional to 123,026.25, 169,776.81 and 69,312.11 is: 95,651.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,026.25 : 169,776.81 = 69,312.11 : x
  2. Step 2: Convert to fraction form
    123,026.25/169,776.81 = 69,312.11/x
  3. Step 3: Cross multiply
    123,026.25x = 169,776.81 × 69,312.11
  4. Step 4: Simplify right side
    123,026.25x = 11,767,588,081.29
  5. Step 5: Solve for x
    x = 11,767,588,081.29/123,026.25
  6. Step 6: Final answer
    x = 95,651.03

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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.