Home / 104,977.71-144,872.00-64,718.07

Finding the Fourth Proportional to 104,977.71, 144,872.00 and 64,718.07

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Solution

The fourth proportional to 104,977.71, 144,872.00 and 64,718.07 is: 89,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,977.71 : 144,872.00 = 64,718.07 : x
  2. Step 2: Convert to fraction form
    104,977.71/144,872.00 = 64,718.07/x
  3. Step 3: Cross multiply
    104,977.71x = 144,872.00 × 64,718.07
  4. Step 4: Simplify right side
    104,977.71x = 9,375,835,913.45
  5. Step 5: Solve for x
    x = 9,375,835,913.45/104,977.71
  6. Step 6: Final answer
    x = 89,312.64

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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.