Home / 90,659.82-125,070.36-60,415.68

Finding the Fourth Proportional to 90,659.82, 125,070.36 and 60,415.68

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Solution

The fourth proportional to 90,659.82, 125,070.36 and 60,415.68 is: 83,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,659.82 : 125,070.36 = 60,415.68 : x
  2. Step 2: Convert to fraction form
    90,659.82/125,070.36 = 60,415.68/x
  3. Step 3: Cross multiply
    90,659.82x = 125,070.36 × 60,415.68
  4. Step 4: Simplify right side
    90,659.82x = 7,556,210,847.24
  5. Step 5: Solve for x
    x = 7,556,210,847.24/90,659.82
  6. Step 6: Final answer
    x = 83,346.85

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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.