Home / 80,901.54-111,639.32-46,438.31

Finding the Fourth Proportional to 80,901.54, 111,639.32 and 46,438.31

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Solution

The fourth proportional to 80,901.54, 111,639.32 and 46,438.31 is: 64,082.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,901.54 : 111,639.32 = 46,438.31 : x
  2. Step 2: Convert to fraction form
    80,901.54/111,639.32 = 46,438.31/x
  3. Step 3: Cross multiply
    80,901.54x = 111,639.32 × 46,438.31
  4. Step 4: Simplify right side
    80,901.54x = 5,184,341,350.35
  5. Step 5: Solve for x
    x = 5,184,341,350.35/80,901.54
  6. Step 6: Final answer
    x = 64,082.11

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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.