Home / 78,825.30-108,782.18-44,839.77

Finding the Fourth Proportional to 78,825.30, 108,782.18 and 44,839.77

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Solution

The fourth proportional to 78,825.30, 108,782.18 and 44,839.77 is: 61,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,825.30 : 108,782.18 = 44,839.77 : x
  2. Step 2: Convert to fraction form
    78,825.30/108,782.18 = 44,839.77/x
  3. Step 3: Cross multiply
    78,825.30x = 108,782.18 × 44,839.77
  4. Step 4: Simplify right side
    78,825.30x = 4,877,767,931.30
  5. Step 5: Solve for x
    x = 4,877,767,931.30/78,825.30
  6. Step 6: Final answer
    x = 61,880.74

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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.