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Finding the Fourth Proportional to 88,677.96, 122,206.74 and 63,483.72

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Solution

The fourth proportional to 88,677.96, 122,206.74 and 63,483.72 is: 87,486.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,677.96 : 122,206.74 = 63,483.72 : x
  2. Step 2: Convert to fraction form
    88,677.96/122,206.74 = 63,483.72/x
  3. Step 3: Cross multiply
    88,677.96x = 122,206.74 × 63,483.72
  4. Step 4: Simplify right side
    88,677.96x = 7,758,138,464.27
  5. Step 5: Solve for x
    x = 7,758,138,464.27/88,677.96
  6. Step 6: Final answer
    x = 87,486.66

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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.