Home / 74,856.40-112,258.68-35,432.08

Finding the Fourth Proportional to 74,856.40, 112,258.68 and 35,432.08

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Solution

The fourth proportional to 74,856.40, 112,258.68 and 35,432.08 is: 53,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,856.40 : 112,258.68 = 35,432.08 : x
  2. Step 2: Convert to fraction form
    74,856.40/112,258.68 = 35,432.08/x
  3. Step 3: Cross multiply
    74,856.40x = 112,258.68 × 35,432.08
  4. Step 4: Simplify right side
    74,856.40x = 3,977,558,530.45
  5. Step 5: Solve for x
    x = 3,977,558,530.45/74,856.40
  6. Step 6: Final answer
    x = 53,135.85

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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.