Home / 78,823.73-108,775.85-43,014.35

Finding the Fourth Proportional to 78,823.73, 108,775.85 and 43,014.35

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Solution

The fourth proportional to 78,823.73, 108,775.85 and 43,014.35 is: 59,359.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,823.73 : 108,775.85 = 43,014.35 : x
  2. Step 2: Convert to fraction form
    78,823.73/108,775.85 = 43,014.35/x
  3. Step 3: Cross multiply
    78,823.73x = 108,775.85 × 43,014.35
  4. Step 4: Simplify right side
    78,823.73x = 4,678,921,724.50
  5. Step 5: Solve for x
    x = 4,678,921,724.50/78,823.73
  6. Step 6: Final answer
    x = 59,359.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.