Home / 79,281.08-118,939.11-23,125.58

Finding the Fourth Proportional to 79,281.08, 118,939.11 and 23,125.58

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Solution

The fourth proportional to 79,281.08, 118,939.11 and 23,125.58 is: 34,693.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,281.08 : 118,939.11 = 23,125.58 : x
  2. Step 2: Convert to fraction form
    79,281.08/118,939.11 = 23,125.58/x
  3. Step 3: Cross multiply
    79,281.08x = 118,939.11 × 23,125.58
  4. Step 4: Simplify right side
    79,281.08x = 2,750,535,490.46
  5. Step 5: Solve for x
    x = 2,750,535,490.46/79,281.08
  6. Step 6: Final answer
    x = 34,693.47

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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.