Home / 112,565.64-155,334.06-61,568.18

Finding the Fourth Proportional to 112,565.64, 155,334.06 and 61,568.18

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Solution

The fourth proportional to 112,565.64, 155,334.06 and 61,568.18 is: 84,960.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,565.64 : 155,334.06 = 61,568.18 : x
  2. Step 2: Convert to fraction form
    112,565.64/155,334.06 = 61,568.18/x
  3. Step 3: Cross multiply
    112,565.64x = 155,334.06 × 61,568.18
  4. Step 4: Simplify right side
    112,565.64x = 9,563,634,589.54
  5. Step 5: Solve for x
    x = 9,563,634,589.54/112,565.64
  6. Step 6: Final answer
    x = 84,960.51

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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.