Home / 94,962.98-130,962.21-81,529.94

Finding the Fourth Proportional to 94,962.98, 130,962.21 and 81,529.94

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Solution

The fourth proportional to 94,962.98, 130,962.21 and 81,529.94 is: 112,436.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,962.98 : 130,962.21 = 81,529.94 : x
  2. Step 2: Convert to fraction form
    94,962.98/130,962.21 = 81,529.94/x
  3. Step 3: Cross multiply
    94,962.98x = 130,962.21 × 81,529.94
  4. Step 4: Simplify right side
    94,962.98x = 10,677,341,123.57
  5. Step 5: Solve for x
    x = 10,677,341,123.57/94,962.98
  6. Step 6: Final answer
    x = 112,436.88

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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.