Home / 88,615.21-122,296.29-50,386.78

Finding the Fourth Proportional to 88,615.21, 122,296.29 and 50,386.78

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Solution

The fourth proportional to 88,615.21, 122,296.29 and 50,386.78 is: 69,537.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,615.21 : 122,296.29 = 50,386.78 : x
  2. Step 2: Convert to fraction form
    88,615.21/122,296.29 = 50,386.78/x
  3. Step 3: Cross multiply
    88,615.21x = 122,296.29 × 50,386.78
  4. Step 4: Simplify right side
    88,615.21x = 6,162,116,259.05
  5. Step 5: Solve for x
    x = 6,162,116,259.05/88,615.21
  6. Step 6: Final answer
    x = 69,537.91

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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.