Home / 112,568.03-155,295.73-64,811.24

Finding the Fourth Proportional to 112,568.03, 155,295.73 and 64,811.24

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Solution

The fourth proportional to 112,568.03, 155,295.73 and 64,811.24 is: 89,411.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,568.03 : 155,295.73 = 64,811.24 : x
  2. Step 2: Convert to fraction form
    112,568.03/155,295.73 = 64,811.24/x
  3. Step 3: Cross multiply
    112,568.03x = 155,295.73 × 64,811.24
  4. Step 4: Simplify right side
    112,568.03x = 10,064,908,828.01
  5. Step 5: Solve for x
    x = 10,064,908,828.01/112,568.03
  6. Step 6: Final answer
    x = 89,411.79

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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.