Home / 74,402.66-102,646.58-42,554.54

Finding the Fourth Proportional to 74,402.66, 102,646.58 and 42,554.54

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Solution

The fourth proportional to 74,402.66, 102,646.58 and 42,554.54 is: 58,708.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,402.66 : 102,646.58 = 42,554.54 : x
  2. Step 2: Convert to fraction form
    74,402.66/102,646.58 = 42,554.54/x
  3. Step 3: Cross multiply
    74,402.66x = 102,646.58 × 42,554.54
  4. Step 4: Simplify right side
    74,402.66x = 4,368,077,994.47
  5. Step 5: Solve for x
    x = 4,368,077,994.47/74,402.66
  6. Step 6: Final answer
    x = 58,708.63

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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.