Home / 112,746.70-155,588.74-61,759.02

Finding the Fourth Proportional to 112,746.70, 155,588.74 and 61,759.02

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Solution

The fourth proportional to 112,746.70, 155,588.74 and 61,759.02 is: 85,226.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,746.70 : 155,588.74 = 61,759.02 : x
  2. Step 2: Convert to fraction form
    112,746.70/155,588.74 = 61,759.02/x
  3. Step 3: Cross multiply
    112,746.70x = 155,588.74 × 61,759.02
  4. Step 4: Simplify right side
    112,746.70x = 9,609,008,105.43
  5. Step 5: Solve for x
    x = 9,609,008,105.43/112,746.70
  6. Step 6: Final answer
    x = 85,226.51

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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.