Home / 86,693.28-130,077.48-30,573.49

Finding the Fourth Proportional to 86,693.28, 130,077.48 and 30,573.49

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Solution

The fourth proportional to 86,693.28, 130,077.48 and 30,573.49 is: 45,873.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,693.28 : 130,077.48 = 30,573.49 : x
  2. Step 2: Convert to fraction form
    86,693.28/130,077.48 = 30,573.49/x
  3. Step 3: Cross multiply
    86,693.28x = 130,077.48 × 30,573.49
  4. Step 4: Simplify right side
    86,693.28x = 3,976,922,534.01
  5. Step 5: Solve for x
    x = 3,976,922,534.01/86,693.28
  6. Step 6: Final answer
    x = 45,873.48

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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.