Home / 81,419.16-112,366.80-46,965.24

Finding the Fourth Proportional to 81,419.16, 112,366.80 and 46,965.24

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Solution

The fourth proportional to 81,419.16, 112,366.80 and 46,965.24 is: 64,816.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,419.16 : 112,366.80 = 46,965.24 : x
  2. Step 2: Convert to fraction form
    81,419.16/112,366.80 = 46,965.24/x
  3. Step 3: Cross multiply
    81,419.16x = 112,366.80 × 46,965.24
  4. Step 4: Simplify right side
    81,419.16x = 5,277,333,730.03
  5. Step 5: Solve for x
    x = 5,277,333,730.03/81,419.16
  6. Step 6: Final answer
    x = 64,816.85

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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.