Home / 81,821.59-112,913.04-46,011.85

Finding the Fourth Proportional to 81,821.59, 112,913.04 and 46,011.85

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Solution

The fourth proportional to 81,821.59, 112,913.04 and 46,011.85 is: 63,495.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,821.59 : 112,913.04 = 46,011.85 : x
  2. Step 2: Convert to fraction form
    81,821.59/112,913.04 = 46,011.85/x
  3. Step 3: Cross multiply
    81,821.59x = 112,913.04 × 46,011.85
  4. Step 4: Simplify right side
    81,821.59x = 5,195,337,490.97
  5. Step 5: Solve for x
    x = 5,195,337,490.97/81,821.59
  6. Step 6: Final answer
    x = 63,495.92

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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.