Home / 88,897.86-122,679.09-50,656.32

Finding the Fourth Proportional to 88,897.86, 122,679.09 and 50,656.32

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Solution

The fourth proportional to 88,897.86, 122,679.09 and 50,656.32 is: 69,905.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,897.86 : 122,679.09 = 50,656.32 : x
  2. Step 2: Convert to fraction form
    88,897.86/122,679.09 = 50,656.32/x
  3. Step 3: Cross multiply
    88,897.86x = 122,679.09 × 50,656.32
  4. Step 4: Simplify right side
    88,897.86x = 6,214,471,240.35
  5. Step 5: Solve for x
    x = 6,214,471,240.35/88,897.86
  6. Step 6: Final answer
    x = 69,905.75

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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.