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Finding the Fourth Proportional to 88,897.64, 122,678.84 and 48,611.56

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Solution

The fourth proportional to 88,897.64, 122,678.84 and 48,611.56 is: 67,084.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,897.64 : 122,678.84 = 48,611.56 : x
  2. Step 2: Convert to fraction form
    88,897.64/122,678.84 = 48,611.56/x
  3. Step 3: Cross multiply
    88,897.64x = 122,678.84 × 48,611.56
  4. Step 4: Simplify right side
    88,897.64x = 5,963,609,791.39
  5. Step 5: Solve for x
    x = 5,963,609,791.39/88,897.64
  6. Step 6: Final answer
    x = 67,084.01

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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.