Home / 75,141.09-112,669.41-51,475.32

Finding the Fourth Proportional to 75,141.09, 112,669.41 and 51,475.32

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Solution

The fourth proportional to 75,141.09, 112,669.41 and 51,475.32 is: 77,184.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,141.09 : 112,669.41 = 51,475.32 : x
  2. Step 2: Convert to fraction form
    75,141.09/112,669.41 = 51,475.32/x
  3. Step 3: Cross multiply
    75,141.09x = 112,669.41 × 51,475.32
  4. Step 4: Simplify right side
    75,141.09x = 5,799,693,626.19
  5. Step 5: Solve for x
    x = 5,799,693,626.19/75,141.09
  6. Step 6: Final answer
    x = 77,184.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.