Home / 105,029.17-144,966.45-62,579.50

Finding the Fourth Proportional to 105,029.17, 144,966.45 and 62,579.50

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Solution

The fourth proportional to 105,029.17, 144,966.45 and 62,579.50 is: 86,375.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,029.17 : 144,966.45 = 62,579.50 : x
  2. Step 2: Convert to fraction form
    105,029.17/144,966.45 = 62,579.50/x
  3. Step 3: Cross multiply
    105,029.17x = 144,966.45 × 62,579.50
  4. Step 4: Simplify right side
    105,029.17x = 9,071,927,957.78
  5. Step 5: Solve for x
    x = 9,071,927,957.78/105,029.17
  6. Step 6: Final answer
    x = 86,375.32

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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.