Home / 77,600.04-107,085.12-43,609.98

Finding the Fourth Proportional to 77,600.04, 107,085.12 and 43,609.98

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Solution

The fourth proportional to 77,600.04, 107,085.12 and 43,609.98 is: 60,180.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,600.04 : 107,085.12 = 43,609.98 : x
  2. Step 2: Convert to fraction form
    77,600.04/107,085.12 = 43,609.98/x
  3. Step 3: Cross multiply
    77,600.04x = 107,085.12 × 43,609.98
  4. Step 4: Simplify right side
    77,600.04x = 4,669,979,941.50
  5. Step 5: Solve for x
    x = 4,669,979,941.50/77,600.04
  6. Step 6: Final answer
    x = 60,180.12

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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.