Home / 85,001.56-127,342.38-49,836.76

Finding the Fourth Proportional to 85,001.56, 127,342.38 and 49,836.76

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Solution

The fourth proportional to 85,001.56, 127,342.38 and 49,836.76 is: 74,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,001.56 : 127,342.38 = 49,836.76 : x
  2. Step 2: Convert to fraction form
    85,001.56/127,342.38 = 49,836.76/x
  3. Step 3: Cross multiply
    85,001.56x = 127,342.38 × 49,836.76
  4. Step 4: Simplify right side
    85,001.56x = 6,346,331,629.89
  5. Step 5: Solve for x
    x = 6,346,331,629.89/85,001.56
  6. Step 6: Final answer
    x = 74,661.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.