Home / 79,742.32-119,524.08-32,346.40

Finding the Fourth Proportional to 79,742.32, 119,524.08 and 32,346.40

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Solution

The fourth proportional to 79,742.32, 119,524.08 and 32,346.40 is: 48,483.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,742.32 : 119,524.08 = 32,346.40 : x
  2. Step 2: Convert to fraction form
    79,742.32/119,524.08 = 32,346.40/x
  3. Step 3: Cross multiply
    79,742.32x = 119,524.08 × 32,346.40
  4. Step 4: Simplify right side
    79,742.32x = 3,866,173,701.31
  5. Step 5: Solve for x
    x = 3,866,173,701.31/79,742.32
  6. Step 6: Final answer
    x = 48,483.34

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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.