Home / 102,623.41-141,618.84-57,302.10

Finding the Fourth Proportional to 102,623.41, 141,618.84 and 57,302.10

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Solution

The fourth proportional to 102,623.41, 141,618.84 and 57,302.10 is: 79,076.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,623.41 : 141,618.84 = 57,302.10 : x
  2. Step 2: Convert to fraction form
    102,623.41/141,618.84 = 57,302.10/x
  3. Step 3: Cross multiply
    102,623.41x = 141,618.84 × 57,302.10
  4. Step 4: Simplify right side
    102,623.41x = 8,115,056,931.56
  5. Step 5: Solve for x
    x = 8,115,056,931.56/102,623.41
  6. Step 6: Final answer
    x = 79,076.08

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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.