Home / 64,120.14-96,199.65-30,830.76

Finding the Fourth Proportional to 64,120.14, 96,199.65 and 30,830.76

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Solution

The fourth proportional to 64,120.14, 96,199.65 and 30,830.76 is: 46,255.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,120.14 : 96,199.65 = 30,830.76 : x
  2. Step 2: Convert to fraction form
    64,120.14/96,199.65 = 30,830.76/x
  3. Step 3: Cross multiply
    64,120.14x = 96,199.65 × 30,830.76
  4. Step 4: Simplify right side
    64,120.14x = 2,965,908,321.23
  5. Step 5: Solve for x
    x = 2,965,908,321.23/64,120.14
  6. Step 6: Final answer
    x = 46,255.49

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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.