Home / 80,057.06-120,046.40-46,785.50

Finding the Fourth Proportional to 80,057.06, 120,046.40 and 46,785.50

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Solution

The fourth proportional to 80,057.06, 120,046.40 and 46,785.50 is: 70,155.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,057.06 : 120,046.40 = 46,785.50 : x
  2. Step 2: Convert to fraction form
    80,057.06/120,046.40 = 46,785.50/x
  3. Step 3: Cross multiply
    80,057.06x = 120,046.40 × 46,785.50
  4. Step 4: Simplify right side
    80,057.06x = 5,616,430,901.83
  5. Step 5: Solve for x
    x = 5,616,430,901.83/80,057.06
  6. Step 6: Final answer
    x = 70,155.35

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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.