Home / 91,056.24-136,616.40-46,703.88

Finding the Fourth Proportional to 91,056.24, 136,616.40 and 46,703.88

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Solution

The fourth proportional to 91,056.24, 136,616.40 and 46,703.88 is: 70,072.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,056.24 : 136,616.40 = 46,703.88 : x
  2. Step 2: Convert to fraction form
    91,056.24/136,616.40 = 46,703.88/x
  3. Step 3: Cross multiply
    91,056.24x = 136,616.40 × 46,703.88
  4. Step 4: Simplify right side
    91,056.24x = 6,380,515,951.63
  5. Step 5: Solve for x
    x = 6,380,515,951.63/91,056.24
  6. Step 6: Final answer
    x = 70,072.25

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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.