Home / 90,926.45-125,530.54-60,762.86

Finding the Fourth Proportional to 90,926.45, 125,530.54 and 60,762.86

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Solution

The fourth proportional to 90,926.45, 125,530.54 and 60,762.86 is: 83,887.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,926.45 : 125,530.54 = 60,762.86 : x
  2. Step 2: Convert to fraction form
    90,926.45/125,530.54 = 60,762.86/x
  3. Step 3: Cross multiply
    90,926.45x = 125,530.54 × 60,762.86
  4. Step 4: Simplify right side
    90,926.45x = 7,627,594,000.09
  5. Step 5: Solve for x
    x = 7,627,594,000.09/90,926.45
  6. Step 6: Final answer
    x = 83,887.52

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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.