Home / 118,447.60-163,457.76-64,732.62

Finding the Fourth Proportional to 118,447.60, 163,457.76 and 64,732.62

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Solution

The fourth proportional to 118,447.60, 163,457.76 and 64,732.62 is: 89,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,447.60 : 163,457.76 = 64,732.62 : x
  2. Step 2: Convert to fraction form
    118,447.60/163,457.76 = 64,732.62/x
  3. Step 3: Cross multiply
    118,447.60x = 163,457.76 × 64,732.62
  4. Step 4: Simplify right side
    118,447.60x = 10,581,049,064.13
  5. Step 5: Solve for x
    x = 10,581,049,064.13/118,447.60
  6. Step 6: Final answer
    x = 89,331.05

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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.