Home / 71,353.20-98,374.05-61,388.67

Finding the Fourth Proportional to 71,353.20, 98,374.05 and 61,388.67

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Solution

The fourth proportional to 71,353.20, 98,374.05 and 61,388.67 is: 84,636.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,353.20 : 98,374.05 = 61,388.67 : x
  2. Step 2: Convert to fraction form
    71,353.20/98,374.05 = 61,388.67/x
  3. Step 3: Cross multiply
    71,353.20x = 98,374.05 × 61,388.67
  4. Step 4: Simplify right side
    71,353.20x = 6,039,052,092.01
  5. Step 5: Solve for x
    x = 6,039,052,092.01/71,353.20
  6. Step 6: Final answer
    x = 84,636.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.