Home / 60,080.28-90,064.64-28,505.18

Finding the Fourth Proportional to 60,080.28, 90,064.64 and 28,505.18

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Solution

The fourth proportional to 60,080.28, 90,064.64 and 28,505.18 is: 42,731.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,080.28 : 90,064.64 = 28,505.18 : x
  2. Step 2: Convert to fraction form
    60,080.28/90,064.64 = 28,505.18/x
  3. Step 3: Cross multiply
    60,080.28x = 90,064.64 × 28,505.18
  4. Step 4: Simplify right side
    60,080.28x = 2,567,308,774.84
  5. Step 5: Solve for x
    x = 2,567,308,774.84/60,080.28
  6. Step 6: Final answer
    x = 42,731.31

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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.