Home / 76,043.22-104,890.22-48,776.16

Finding the Fourth Proportional to 76,043.22, 104,890.22 and 48,776.16

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Solution

The fourth proportional to 76,043.22, 104,890.22 and 48,776.16 is: 67,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,043.22 : 104,890.22 = 48,776.16 : x
  2. Step 2: Convert to fraction form
    76,043.22/104,890.22 = 48,776.16/x
  3. Step 3: Cross multiply
    76,043.22x = 104,890.22 × 48,776.16
  4. Step 4: Simplify right side
    76,043.22x = 5,116,142,153.16
  5. Step 5: Solve for x
    x = 5,116,142,153.16/76,043.22
  6. Step 6: Final answer
    x = 67,279.40

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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.