Home / 76,351.74-105,363.27-42,360.06

Finding the Fourth Proportional to 76,351.74, 105,363.27 and 42,360.06

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Solution

The fourth proportional to 76,351.74, 105,363.27 and 42,360.06 is: 58,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,351.74 : 105,363.27 = 42,360.06 : x
  2. Step 2: Convert to fraction form
    76,351.74/105,363.27 = 42,360.06/x
  3. Step 3: Cross multiply
    76,351.74x = 105,363.27 × 42,360.06
  4. Step 4: Simplify right side
    76,351.74x = 4,463,194,439.00
  5. Step 5: Solve for x
    x = 4,463,194,439.00/76,351.74
  6. Step 6: Final answer
    x = 58,455.70

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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.