Home / 102,256.01-141,119.11-61,432.62

Finding the Fourth Proportional to 102,256.01, 141,119.11 and 61,432.62

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Solution

The fourth proportional to 102,256.01, 141,119.11 and 61,432.62 is: 84,780.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,256.01 : 141,119.11 = 61,432.62 : x
  2. Step 2: Convert to fraction form
    102,256.01/141,119.11 = 61,432.62/x
  3. Step 3: Cross multiply
    102,256.01x = 141,119.11 × 61,432.62
  4. Step 4: Simplify right side
    102,256.01x = 8,669,316,736.16
  5. Step 5: Solve for x
    x = 8,669,316,736.16/102,256.01
  6. Step 6: Final answer
    x = 84,780.51

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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.