Home / 112,534.28-168,752.19-53,386.82

Finding the Fourth Proportional to 112,534.28, 168,752.19 and 53,386.82

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Solution

The fourth proportional to 112,534.28, 168,752.19 and 53,386.82 is: 80,056.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,534.28 : 168,752.19 = 53,386.82 : x
  2. Step 2: Convert to fraction form
    112,534.28/168,752.19 = 53,386.82/x
  3. Step 3: Cross multiply
    112,534.28x = 168,752.19 × 53,386.82
  4. Step 4: Simplify right side
    112,534.28x = 9,009,142,792.14
  5. Step 5: Solve for x
    x = 9,009,142,792.14/112,534.28
  6. Step 6: Final answer
    x = 80,056.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.