Home / 76,192.47-105,146.37-45,971.94

Finding the Fourth Proportional to 76,192.47, 105,146.37 and 45,971.94

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Solution

The fourth proportional to 76,192.47, 105,146.37 and 45,971.94 is: 63,441.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,192.47 : 105,146.37 = 45,971.94 : x
  2. Step 2: Convert to fraction form
    76,192.47/105,146.37 = 45,971.94/x
  3. Step 3: Cross multiply
    76,192.47x = 105,146.37 × 45,971.94
  4. Step 4: Simplify right side
    76,192.47x = 4,833,782,612.86
  5. Step 5: Solve for x
    x = 4,833,782,612.86/76,192.47
  6. Step 6: Final answer
    x = 63,441.74

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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.