Home / 94,236.29-130,047.08-51,215.78

Finding the Fourth Proportional to 94,236.29, 130,047.08 and 51,215.78

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Solution

The fourth proportional to 94,236.29, 130,047.08 and 51,215.78 is: 70,678.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,236.29 : 130,047.08 = 51,215.78 : x
  2. Step 2: Convert to fraction form
    94,236.29/130,047.08 = 51,215.78/x
  3. Step 3: Cross multiply
    94,236.29x = 130,047.08 × 51,215.78
  4. Step 4: Simplify right side
    94,236.29x = 6,660,461,732.61
  5. Step 5: Solve for x
    x = 6,660,461,732.61/94,236.29
  6. Step 6: Final answer
    x = 70,678.31

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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.