Home / 102,907.08-142,024.41-62,624.97

Finding the Fourth Proportional to 102,907.08, 142,024.41 and 62,624.97

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Solution

The fourth proportional to 102,907.08, 142,024.41 and 62,624.97 is: 86,430.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,907.08 : 142,024.41 = 62,624.97 : x
  2. Step 2: Convert to fraction form
    102,907.08/142,024.41 = 62,624.97/x
  3. Step 3: Cross multiply
    102,907.08x = 142,024.41 × 62,624.97
  4. Step 4: Simplify right side
    102,907.08x = 8,894,274,415.52
  5. Step 5: Solve for x
    x = 8,894,274,415.52/102,907.08
  6. Step 6: Final answer
    x = 86,430.15

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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.