Home / 74,925.12-112,386.96-30,541.44

Finding the Fourth Proportional to 74,925.12, 112,386.96 and 30,541.44

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Solution

The fourth proportional to 74,925.12, 112,386.96 and 30,541.44 is: 45,811.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,925.12 : 112,386.96 = 30,541.44 : x
  2. Step 2: Convert to fraction form
    74,925.12/112,386.96 = 30,541.44/x
  3. Step 3: Cross multiply
    74,925.12x = 112,386.96 × 30,541.44
  4. Step 4: Simplify right side
    74,925.12x = 3,432,459,595.62
  5. Step 5: Solve for x
    x = 3,432,459,595.62/74,925.12
  6. Step 6: Final answer
    x = 45,811.87

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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.