Home / 90,747.51-125,231.70-50,460.87

Finding the Fourth Proportional to 90,747.51, 125,231.70 and 50,460.87

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Solution

The fourth proportional to 90,747.51, 125,231.70 and 50,460.87 is: 69,636.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,747.51 : 125,231.70 = 50,460.87 : x
  2. Step 2: Convert to fraction form
    90,747.51/125,231.70 = 50,460.87/x
  3. Step 3: Cross multiply
    90,747.51x = 125,231.70 × 50,460.87
  4. Step 4: Simplify right side
    90,747.51x = 6,319,300,533.58
  5. Step 5: Solve for x
    x = 6,319,300,533.58/90,747.51
  6. Step 6: Final answer
    x = 69,636.08

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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.