Home / 74,429.84-102,713.19-42,598.75

Finding the Fourth Proportional to 74,429.84, 102,713.19 and 42,598.75

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Solution

The fourth proportional to 74,429.84, 102,713.19 and 42,598.75 is: 58,786.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,429.84 : 102,713.19 = 42,598.75 : x
  2. Step 2: Convert to fraction form
    74,429.84/102,713.19 = 42,598.75/x
  3. Step 3: Cross multiply
    74,429.84x = 102,713.19 × 42,598.75
  4. Step 4: Simplify right side
    74,429.84x = 4,375,453,502.51
  5. Step 5: Solve for x
    x = 4,375,453,502.51/74,429.84
  6. Step 6: Final answer
    x = 58,786.28

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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.