Home / 104,812.61-144,637.52-57,065.00

Finding the Fourth Proportional to 104,812.61, 144,637.52 and 57,065.00

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Solution

The fourth proportional to 104,812.61, 144,637.52 and 57,065.00 is: 78,747.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,812.61 : 144,637.52 = 57,065.00 : x
  2. Step 2: Convert to fraction form
    104,812.61/144,637.52 = 57,065.00/x
  3. Step 3: Cross multiply
    104,812.61x = 144,637.52 × 57,065.00
  4. Step 4: Simplify right side
    104,812.61x = 8,253,739,070.29
  5. Step 5: Solve for x
    x = 8,253,739,070.29/104,812.61
  6. Step 6: Final answer
    x = 78,747.58

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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.