Home / 112,566.06-155,335.32-61,568.82

Finding the Fourth Proportional to 112,566.06, 155,335.32 and 61,568.82

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Solution

The fourth proportional to 112,566.06, 155,335.32 and 61,568.82 is: 84,961.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,566.06 : 155,335.32 = 61,568.82 : x
  2. Step 2: Convert to fraction form
    112,566.06/155,335.32 = 61,568.82/x
  3. Step 3: Cross multiply
    112,566.06x = 155,335.32 × 61,568.82
  4. Step 4: Simplify right side
    112,566.06x = 9,563,812,356.72
  5. Step 5: Solve for x
    x = 9,563,812,356.72/112,566.06
  6. Step 6: Final answer
    x = 84,961.78

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1.5x scale

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.