Home / 75,133.46-112,533.93-51,384.66

Finding the Fourth Proportional to 75,133.46, 112,533.93 and 51,384.66

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Solution

The fourth proportional to 75,133.46, 112,533.93 and 51,384.66 is: 76,963.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,133.46 : 112,533.93 = 51,384.66 : x
  2. Step 2: Convert to fraction form
    75,133.46/112,533.93 = 51,384.66/x
  3. Step 3: Cross multiply
    75,133.46x = 112,533.93 × 51,384.66
  4. Step 4: Simplify right side
    75,133.46x = 5,782,517,731.51
  5. Step 5: Solve for x
    x = 5,782,517,731.51/75,133.46
  6. Step 6: Final answer
    x = 76,963.29

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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.