Home / 88,686.89-122,390.76-50,445.45

Finding the Fourth Proportional to 88,686.89, 122,390.76 and 50,445.45

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Solution

The fourth proportional to 88,686.89, 122,390.76 and 50,445.45 is: 69,616.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,686.89 : 122,390.76 = 50,445.45 : x
  2. Step 2: Convert to fraction form
    88,686.89/122,390.76 = 50,445.45/x
  3. Step 3: Cross multiply
    88,686.89x = 122,390.76 × 50,445.45
  4. Step 4: Simplify right side
    88,686.89x = 6,174,056,352.09
  5. Step 5: Solve for x
    x = 6,174,056,352.09/88,686.89
  6. Step 6: Final answer
    x = 69,616.34

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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.