Home / 76,989.15-106,237.37-42,992.24

Finding the Fourth Proportional to 76,989.15, 106,237.37 and 42,992.24

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Solution

The fourth proportional to 76,989.15, 106,237.37 and 42,992.24 is: 59,325.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,989.15 : 106,237.37 = 42,992.24 : x
  2. Step 2: Convert to fraction form
    76,989.15/106,237.37 = 42,992.24/x
  3. Step 3: Cross multiply
    76,989.15x = 106,237.37 × 42,992.24
  4. Step 4: Simplify right side
    76,989.15x = 4,567,382,084.30
  5. Step 5: Solve for x
    x = 4,567,382,084.30/76,989.15
  6. Step 6: Final answer
    x = 59,325.01

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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.