Home / 80,037.48-120,018.54-46,767.15

Finding the Fourth Proportional to 80,037.48, 120,018.54 and 46,767.15

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Solution

The fourth proportional to 80,037.48, 120,018.54 and 46,767.15 is: 70,128.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,037.48 : 120,018.54 = 46,767.15 : x
  2. Step 2: Convert to fraction form
    80,037.48/120,018.54 = 46,767.15/x
  3. Step 3: Cross multiply
    80,037.48x = 120,018.54 × 46,767.15
  4. Step 4: Simplify right side
    80,037.48x = 5,612,925,062.96
  5. Step 5: Solve for x
    x = 5,612,925,062.96/80,037.48
  6. Step 6: Final answer
    x = 70,128.71

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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.