Home / 64,581.60-96,742.80-36,847.20

Finding the Fourth Proportional to 64,581.60, 96,742.80 and 36,847.20

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Solution

The fourth proportional to 64,581.60, 96,742.80 and 36,847.20 is: 55,196.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,581.60 : 96,742.80 = 36,847.20 : x
  2. Step 2: Convert to fraction form
    64,581.60/96,742.80 = 36,847.20/x
  3. Step 3: Cross multiply
    64,581.60x = 96,742.80 × 36,847.20
  4. Step 4: Simplify right side
    64,581.60x = 3,564,701,300.16
  5. Step 5: Solve for x
    x = 3,564,701,300.16/64,581.60
  6. Step 6: Final answer
    x = 55,196.86

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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.