Home / 112,729.28-169,013.82-56,528.84

Finding the Fourth Proportional to 112,729.28, 169,013.82 and 56,528.84

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Solution

The fourth proportional to 112,729.28, 169,013.82 and 56,528.84 is: 84,753.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,729.28 : 169,013.82 = 56,528.84 : x
  2. Step 2: Convert to fraction form
    112,729.28/169,013.82 = 56,528.84/x
  3. Step 3: Cross multiply
    112,729.28x = 169,013.82 × 56,528.84
  4. Step 4: Simplify right side
    112,729.28x = 9,554,155,823.09
  5. Step 5: Solve for x
    x = 9,554,155,823.09/112,729.28
  6. Step 6: Final answer
    x = 84,753.10

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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.