Home / 74,916.30-112,374.45-48,305.10

Finding the Fourth Proportional to 74,916.30, 112,374.45 and 48,305.10

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Solution

The fourth proportional to 74,916.30, 112,374.45 and 48,305.10 is: 72,457.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,916.30 : 112,374.45 = 48,305.10 : x
  2. Step 2: Convert to fraction form
    74,916.30/112,374.45 = 48,305.10/x
  3. Step 3: Cross multiply
    74,916.30x = 112,374.45 × 48,305.10
  4. Step 4: Simplify right side
    74,916.30x = 5,428,259,044.70
  5. Step 5: Solve for x
    x = 5,428,259,044.70/74,916.30
  6. Step 6: Final answer
    x = 72,457.65

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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.