Home / 88,028-121,478.84-50,302.16

Finding the Fourth Proportional to 88,028, 121,478.84 and 50,302.16

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Solution

The fourth proportional to 88,028, 121,478.84 and 50,302.16 is: 69,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,028 : 121,478.84 = 50,302.16 : x
  2. Step 2: Convert to fraction form
    88,028/121,478.84 = 50,302.16/x
  3. Step 3: Cross multiply
    88,028x = 121,478.84 × 50,302.16
  4. Step 4: Simplify right side
    88,028x = 6,110,648,046.29
  5. Step 5: Solve for x
    x = 6,110,648,046.29/88,028
  6. Step 6: Final answer
    x = 69,417.10

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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.