Home / 79,125.93-118,688.51-32,378.81

Finding the Fourth Proportional to 79,125.93, 118,688.51 and 32,378.81

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Solution

The fourth proportional to 79,125.93, 118,688.51 and 32,378.81 is: 48,568.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,125.93 : 118,688.51 = 32,378.81 : x
  2. Step 2: Convert to fraction form
    79,125.93/118,688.51 = 32,378.81/x
  3. Step 3: Cross multiply
    79,125.93x = 118,688.51 × 32,378.81
  4. Step 4: Simplify right side
    79,125.93x = 3,842,991,959.14
  5. Step 5: Solve for x
    x = 3,842,991,959.14/79,125.93
  6. Step 6: Final answer
    x = 48,568.05

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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.