Home / 85,219.72-117,604.04-46,980.77

Finding the Fourth Proportional to 85,219.72, 117,604.04 and 46,980.77

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Solution

The fourth proportional to 85,219.72, 117,604.04 and 46,980.77 is: 64,833.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,219.72 : 117,604.04 = 46,980.77 : x
  2. Step 2: Convert to fraction form
    85,219.72/117,604.04 = 46,980.77/x
  3. Step 3: Cross multiply
    85,219.72x = 117,604.04 × 46,980.77
  4. Step 4: Simplify right side
    85,219.72x = 5,525,127,883.74
  5. Step 5: Solve for x
    x = 5,525,127,883.74/85,219.72
  6. Step 6: Final answer
    x = 64,833.91

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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.