Home / 74,916.12-112,336.80-24,978.72

Finding the Fourth Proportional to 74,916.12, 112,336.80 and 24,978.72

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Solution

The fourth proportional to 74,916.12, 112,336.80 and 24,978.72 is: 37,455.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,916.12 : 112,336.80 = 24,978.72 : x
  2. Step 2: Convert to fraction form
    74,916.12/112,336.80 = 24,978.72/x
  3. Step 3: Cross multiply
    74,916.12x = 112,336.80 × 24,978.72
  4. Step 4: Simplify right side
    74,916.12x = 2,806,029,472.90
  5. Step 5: Solve for x
    x = 2,806,029,472.90/74,916.12
  6. Step 6: Final answer
    x = 37,455.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.