Home / 79,587.64-119,382.39-31,567.96

Finding the Fourth Proportional to 79,587.64, 119,382.39 and 31,567.96

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Solution

The fourth proportional to 79,587.64, 119,382.39 and 31,567.96 is: 47,352.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,587.64 : 119,382.39 = 31,567.96 : x
  2. Step 2: Convert to fraction form
    79,587.64/119,382.39 = 31,567.96/x
  3. Step 3: Cross multiply
    79,587.64x = 119,382.39 × 31,567.96
  4. Step 4: Simplify right side
    79,587.64x = 3,768,657,915.31
  5. Step 5: Solve for x
    x = 3,768,657,915.31/79,587.64
  6. Step 6: Final answer
    x = 47,352.30

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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.