Home / 76,946.04-106,190.89-42,961.22

Finding the Fourth Proportional to 76,946.04, 106,190.89 and 42,961.22

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Solution

The fourth proportional to 76,946.04, 106,190.89 and 42,961.22 is: 59,289.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,946.04 : 106,190.89 = 42,961.22 : x
  2. Step 2: Convert to fraction form
    76,946.04/106,190.89 = 42,961.22/x
  3. Step 3: Cross multiply
    76,946.04x = 106,190.89 × 42,961.22
  4. Step 4: Simplify right side
    76,946.04x = 4,562,090,187.29
  5. Step 5: Solve for x
    x = 4,562,090,187.29/76,946.04
  6. Step 6: Final answer
    x = 59,289.47

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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.