Home / 79,431.12-118,913.40-62,673.84

Finding the Fourth Proportional to 79,431.12, 118,913.40 and 62,673.84

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Solution

The fourth proportional to 79,431.12, 118,913.40 and 62,673.84 is: 93,826.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,431.12 : 118,913.40 = 62,673.84 : x
  2. Step 2: Convert to fraction form
    79,431.12/118,913.40 = 62,673.84/x
  3. Step 3: Cross multiply
    79,431.12x = 118,913.40 × 62,673.84
  4. Step 4: Simplify right side
    79,431.12x = 7,452,759,405.46
  5. Step 5: Solve for x
    x = 7,452,759,405.46/79,431.12
  6. Step 6: Final answer
    x = 93,826.69

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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.