Home / 78,629.42-108,501.76-44,639.34

Finding the Fourth Proportional to 78,629.42, 108,501.76 and 44,639.34

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Solution

The fourth proportional to 78,629.42, 108,501.76 and 44,639.34 is: 61,598.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,629.42 : 108,501.76 = 44,639.34 : x
  2. Step 2: Convert to fraction form
    78,629.42/108,501.76 = 44,639.34/x
  3. Step 3: Cross multiply
    78,629.42x = 108,501.76 × 44,639.34
  4. Step 4: Simplify right side
    78,629.42x = 4,843,446,955.24
  5. Step 5: Solve for x
    x = 4,843,446,955.24/78,629.42
  6. Step 6: Final answer
    x = 61,598.41

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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.