Home / 88,439.24-122,048.34-48,155.21

Finding the Fourth Proportional to 88,439.24, 122,048.34 and 48,155.21

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Solution

The fourth proportional to 88,439.24, 122,048.34 and 48,155.21 is: 66,455.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,439.24 : 122,048.34 = 48,155.21 : x
  2. Step 2: Convert to fraction form
    88,439.24/122,048.34 = 48,155.21/x
  3. Step 3: Cross multiply
    88,439.24x = 122,048.34 × 48,155.21
  4. Step 4: Simplify right side
    88,439.24x = 5,877,262,652.03
  5. Step 5: Solve for x
    x = 5,877,262,652.03/88,439.24
  6. Step 6: Final answer
    x = 66,455.37

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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.