Home / 88,021.31-121,467.26-50,293.13

Finding the Fourth Proportional to 88,021.31, 121,467.26 and 50,293.13

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Solution

The fourth proportional to 88,021.31, 121,467.26 and 50,293.13 is: 69,403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,021.31 : 121,467.26 = 50,293.13 : x
  2. Step 2: Convert to fraction form
    88,021.31/121,467.26 = 50,293.13/x
  3. Step 3: Cross multiply
    88,021.31x = 121,467.26 × 50,293.13
  4. Step 4: Simplify right side
    88,021.31x = 6,108,968,216.32
  5. Step 5: Solve for x
    x = 6,108,968,216.32/88,021.31
  6. Step 6: Final answer
    x = 69,403.29

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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.