Home / 105,349.24-145,379.16-62,330.95

Finding the Fourth Proportional to 105,349.24, 145,379.16 and 62,330.95

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Solution

The fourth proportional to 105,349.24, 145,379.16 and 62,330.95 is: 86,015.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,349.24 : 145,379.16 = 62,330.95 : x
  2. Step 2: Convert to fraction form
    105,349.24/145,379.16 = 62,330.95/x
  3. Step 3: Cross multiply
    105,349.24x = 145,379.16 × 62,330.95
  4. Step 4: Simplify right side
    105,349.24x = 9,061,621,153.00
  5. Step 5: Solve for x
    x = 9,061,621,153.00/105,349.24
  6. Step 6: Final answer
    x = 86,015.06

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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.