Home / 78,537.64-108,373.84-46,700.38

Finding the Fourth Proportional to 78,537.64, 108,373.84 and 46,700.38

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Solution

The fourth proportional to 78,537.64, 108,373.84 and 46,700.38 is: 64,441.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,537.64 : 108,373.84 = 46,700.38 : x
  2. Step 2: Convert to fraction form
    78,537.64/108,373.84 = 46,700.38/x
  3. Step 3: Cross multiply
    78,537.64x = 108,373.84 × 46,700.38
  4. Step 4: Simplify right side
    78,537.64x = 5,061,099,510.06
  5. Step 5: Solve for x
    x = 5,061,099,510.06/78,537.64
  6. Step 6: Final answer
    x = 64,441.71

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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.