Home / 77,931.64-107,546.70-46,099.72

Finding the Fourth Proportional to 77,931.64, 107,546.70 and 46,099.72

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Solution

The fourth proportional to 77,931.64, 107,546.70 and 46,099.72 is: 63,618.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,931.64 : 107,546.70 = 46,099.72 : x
  2. Step 2: Convert to fraction form
    77,931.64/107,546.70 = 46,099.72/x
  3. Step 3: Cross multiply
    77,931.64x = 107,546.70 × 46,099.72
  4. Step 4: Simplify right side
    77,931.64x = 4,957,872,756.92
  5. Step 5: Solve for x
    x = 4,957,872,756.92/77,931.64
  6. Step 6: Final answer
    x = 63,618.23

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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.