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Finding the Fourth Proportional to 88,602.89, 122,274.94 and 48,318.85

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Solution

The fourth proportional to 88,602.89, 122,274.94 and 48,318.85 is: 66,681.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,602.89 : 122,274.94 = 48,318.85 : x
  2. Step 2: Convert to fraction form
    88,602.89/122,274.94 = 48,318.85/x
  3. Step 3: Cross multiply
    88,602.89x = 122,274.94 × 48,318.85
  4. Step 4: Simplify right side
    88,602.89x = 5,908,184,484.62
  5. Step 5: Solve for x
    x = 5,908,184,484.62/88,602.89
  6. Step 6: Final answer
    x = 66,681.62

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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.