Home / 74,483.52-102,667.32-61,031.04

Finding the Fourth Proportional to 74,483.52, 102,667.32 and 61,031.04

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Solution

The fourth proportional to 74,483.52, 102,667.32 and 61,031.04 is: 84,124.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,483.52 : 102,667.32 = 61,031.04 : x
  2. Step 2: Convert to fraction form
    74,483.52/102,667.32 = 61,031.04/x
  3. Step 3: Cross multiply
    74,483.52x = 102,667.32 × 61,031.04
  4. Step 4: Simplify right side
    74,483.52x = 6,265,893,313.61
  5. Step 5: Solve for x
    x = 6,265,893,313.61/74,483.52
  6. Step 6: Final answer
    x = 84,124.56

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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.