Home / 43,316.83-64,984.43-13,730.77

Finding the Fourth Proportional to 43,316.83, 64,984.43 and 13,730.77

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Solution

The fourth proportional to 43,316.83, 64,984.43 and 13,730.77 is: 20,599.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,316.83 : 64,984.43 = 13,730.77 : x
  2. Step 2: Convert to fraction form
    43,316.83/64,984.43 = 13,730.77/x
  3. Step 3: Cross multiply
    43,316.83x = 64,984.43 × 13,730.77
  4. Step 4: Simplify right side
    43,316.83x = 892,286,261.91
  5. Step 5: Solve for x
    x = 892,286,261.91/43,316.83
  6. Step 6: Final answer
    x = 20,599.07

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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.