Home / 82,124.60-113,332.47-51,923.54

Finding the Fourth Proportional to 82,124.60, 113,332.47 and 51,923.54

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Solution

The fourth proportional to 82,124.60, 113,332.47 and 51,923.54 is: 71,654.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,124.60 : 113,332.47 = 51,923.54 : x
  2. Step 2: Convert to fraction form
    82,124.60/113,332.47 = 51,923.54/x
  3. Step 3: Cross multiply
    82,124.60x = 113,332.47 × 51,923.54
  4. Step 4: Simplify right side
    82,124.60x = 5,884,623,039.34
  5. Step 5: Solve for x
    x = 5,884,623,039.34/82,124.60
  6. Step 6: Final answer
    x = 71,654.82

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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.