Home / 91,056.64-136,604.04-31,894.24

Finding the Fourth Proportional to 91,056.64, 136,604.04 and 31,894.24

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Solution

The fourth proportional to 91,056.64, 136,604.04 and 31,894.24 is: 47,848.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,056.64 : 136,604.04 = 31,894.24 : x
  2. Step 2: Convert to fraction form
    91,056.64/136,604.04 = 31,894.24/x
  3. Step 3: Cross multiply
    91,056.64x = 136,604.04 × 31,894.24
  4. Step 4: Simplify right side
    91,056.64x = 4,356,882,036.73
  5. Step 5: Solve for x
    x = 4,356,882,036.73/91,056.64
  6. Step 6: Final answer
    x = 47,848.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.