Home / 74,982.16-112,509.90-32,856.46

Finding the Fourth Proportional to 74,982.16, 112,509.90 and 32,856.46

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Solution

The fourth proportional to 74,982.16, 112,509.90 and 32,856.46 is: 49,300.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,982.16 : 112,509.90 = 32,856.46 : x
  2. Step 2: Convert to fraction form
    74,982.16/112,509.90 = 32,856.46/x
  3. Step 3: Cross multiply
    74,982.16x = 112,509.90 × 32,856.46
  4. Step 4: Simplify right side
    74,982.16x = 3,696,677,028.95
  5. Step 5: Solve for x
    x = 3,696,677,028.95/74,982.16
  6. Step 6: Final answer
    x = 49,300.75

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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.