Home / 74,790.32-112,157.48-24,861.20

Finding the Fourth Proportional to 74,790.32, 112,157.48 and 24,861.20

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Solution

The fourth proportional to 74,790.32, 112,157.48 and 24,861.20 is: 37,282.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,790.32 : 112,157.48 = 24,861.20 : x
  2. Step 2: Convert to fraction form
    74,790.32/112,157.48 = 24,861.20/x
  3. Step 3: Cross multiply
    74,790.32x = 112,157.48 × 24,861.20
  4. Step 4: Simplify right side
    74,790.32x = 2,788,369,541.78
  5. Step 5: Solve for x
    x = 2,788,369,541.78/74,790.32
  6. Step 6: Final answer
    x = 37,282.49

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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.