Home / 77,512.08-116,242.74-30,123.84

Finding the Fourth Proportional to 77,512.08, 116,242.74 and 30,123.84

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Solution

The fourth proportional to 77,512.08, 116,242.74 and 30,123.84 is: 45,175.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,512.08 : 116,242.74 = 30,123.84 : x
  2. Step 2: Convert to fraction form
    77,512.08/116,242.74 = 30,123.84/x
  3. Step 3: Cross multiply
    77,512.08x = 116,242.74 × 30,123.84
  4. Step 4: Simplify right side
    77,512.08x = 3,501,677,700.92
  5. Step 5: Solve for x
    x = 3,501,677,700.92/77,512.08
  6. Step 6: Final answer
    x = 45,175.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.