Home / 74,844.36-103,302.92-43,031.76

Finding the Fourth Proportional to 74,844.36, 103,302.92 and 43,031.76

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Solution

The fourth proportional to 74,844.36, 103,302.92 and 43,031.76 is: 59,394.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,844.36 : 103,302.92 = 43,031.76 : x
  2. Step 2: Convert to fraction form
    74,844.36/103,302.92 = 43,031.76/x
  3. Step 3: Cross multiply
    74,844.36x = 103,302.92 × 43,031.76
  4. Step 4: Simplify right side
    74,844.36x = 4,445,306,460.74
  5. Step 5: Solve for x
    x = 4,445,306,460.74/74,844.36
  6. Step 6: Final answer
    x = 59,394.01

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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.