Home / 76,185.92-105,138.05-45,590.48

Finding the Fourth Proportional to 76,185.92, 105,138.05 and 45,590.48

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Solution

The fourth proportional to 76,185.92, 105,138.05 and 45,590.48 is: 62,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,185.92 : 105,138.05 = 45,590.48 : x
  2. Step 2: Convert to fraction form
    76,185.92/105,138.05 = 45,590.48/x
  3. Step 3: Cross multiply
    76,185.92x = 105,138.05 × 45,590.48
  4. Step 4: Simplify right side
    76,185.92x = 4,793,294,062.84
  5. Step 5: Solve for x
    x = 4,793,294,062.84/76,185.92
  6. Step 6: Final answer
    x = 62,915.74

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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.