Home / 112,029.16-154,599.96-61,728.16

Finding the Fourth Proportional to 112,029.16, 154,599.96 and 61,728.16

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Solution

The fourth proportional to 112,029.16, 154,599.96 and 61,728.16 is: 85,184.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,029.16 : 154,599.96 = 61,728.16 : x
  2. Step 2: Convert to fraction form
    112,029.16/154,599.96 = 61,728.16/x
  3. Step 3: Cross multiply
    112,029.16x = 154,599.96 × 61,728.16
  4. Step 4: Simplify right side
    112,029.16x = 9,543,171,066.87
  5. Step 5: Solve for x
    x = 9,543,171,066.87/112,029.16
  6. Step 6: Final answer
    x = 85,184.71

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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.