Home / 81,283.17-112,182.96-46,821.51

Finding the Fourth Proportional to 81,283.17, 112,182.96 and 46,821.51

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Solution

The fourth proportional to 81,283.17, 112,182.96 and 46,821.51 is: 64,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,283.17 : 112,182.96 = 46,821.51 : x
  2. Step 2: Convert to fraction form
    81,283.17/112,182.96 = 46,821.51/x
  3. Step 3: Cross multiply
    81,283.17x = 112,182.96 × 46,821.51
  4. Step 4: Simplify right side
    81,283.17x = 5,252,575,583.47
  5. Step 5: Solve for x
    x = 5,252,575,583.47/81,283.17
  6. Step 6: Final answer
    x = 64,620.70

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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.