Home / 86,236.80-118,998.36-48,510.24

Finding the Fourth Proportional to 86,236.80, 118,998.36 and 48,510.24

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Solution

The fourth proportional to 86,236.80, 118,998.36 and 48,510.24 is: 66,939.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,236.80 : 118,998.36 = 48,510.24 : x
  2. Step 2: Convert to fraction form
    86,236.80/118,998.36 = 48,510.24/x
  3. Step 3: Cross multiply
    86,236.80x = 118,998.36 × 48,510.24
  4. Step 4: Simplify right side
    86,236.80x = 5,772,639,003.21
  5. Step 5: Solve for x
    x = 5,772,639,003.21/86,236.80
  6. Step 6: Final answer
    x = 66,939.39

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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.