Home / 76,142.19-104,975.55-62,480.19

Finding the Fourth Proportional to 76,142.19, 104,975.55 and 62,480.19

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Solution

The fourth proportional to 76,142.19, 104,975.55 and 62,480.19 is: 86,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,142.19 : 104,975.55 = 62,480.19 : x
  2. Step 2: Convert to fraction form
    76,142.19/104,975.55 = 62,480.19/x
  3. Step 3: Cross multiply
    76,142.19x = 104,975.55 × 62,480.19
  4. Step 4: Simplify right side
    76,142.19x = 6,558,892,309.35
  5. Step 5: Solve for x
    x = 6,558,892,309.35/76,142.19
  6. Step 6: Final answer
    x = 86,140.05

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1.5x scale

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.