Home / 112,566.14-155,334.74-61,568.68

Finding the Fourth Proportional to 112,566.14, 155,334.74 and 61,568.68

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Solution

The fourth proportional to 112,566.14, 155,334.74 and 61,568.68 is: 84,961.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,566.14 : 155,334.74 = 61,568.68 : x
  2. Step 2: Convert to fraction form
    112,566.14/155,334.74 = 61,568.68/x
  3. Step 3: Cross multiply
    112,566.14x = 155,334.74 × 61,568.68
  4. Step 4: Simplify right side
    112,566.14x = 9,563,754,899.94
  5. Step 5: Solve for x
    x = 9,563,754,899.94/112,566.14
  6. Step 6: Final answer
    x = 84,961.21

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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.