Home / 84,947.15-117,230.08-46,709.61

Finding the Fourth Proportional to 84,947.15, 117,230.08 and 46,709.61

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Solution

The fourth proportional to 84,947.15, 117,230.08 and 46,709.61 is: 64,460.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,947.15 : 117,230.08 = 46,709.61 : x
  2. Step 2: Convert to fraction form
    84,947.15/117,230.08 = 46,709.61/x
  3. Step 3: Cross multiply
    84,947.15x = 117,230.08 × 46,709.61
  4. Step 4: Simplify right side
    84,947.15x = 5,475,771,622.63
  5. Step 5: Solve for x
    x = 5,475,771,622.63/84,947.15
  6. Step 6: Final answer
    x = 64,460.92

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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.