Home / 74,925.10-112,387.23-30,551.68

Finding the Fourth Proportional to 74,925.10, 112,387.23 and 30,551.68

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Solution

The fourth proportional to 74,925.10, 112,387.23 and 30,551.68 is: 45,827.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,925.10 : 112,387.23 = 30,551.68 : x
  2. Step 2: Convert to fraction form
    74,925.10/112,387.23 = 30,551.68/x
  3. Step 3: Cross multiply
    74,925.10x = 112,387.23 × 30,551.68
  4. Step 4: Simplify right side
    74,925.10x = 3,433,618,687.05
  5. Step 5: Solve for x
    x = 3,433,618,687.05/74,925.10
  6. Step 6: Final answer
    x = 45,827.35

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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.