Home / 93,768.83-129,368.95-53,453.53

Finding the Fourth Proportional to 93,768.83, 129,368.95 and 53,453.53

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Solution

The fourth proportional to 93,768.83, 129,368.95 and 53,453.53 is: 73,747.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,768.83 : 129,368.95 = 53,453.53 : x
  2. Step 2: Convert to fraction form
    93,768.83/129,368.95 = 53,453.53/x
  3. Step 3: Cross multiply
    93,768.83x = 129,368.95 × 53,453.53
  4. Step 4: Simplify right side
    93,768.83x = 6,915,227,049.89
  5. Step 5: Solve for x
    x = 6,915,227,049.89/93,768.83
  6. Step 6: Final answer
    x = 73,747.61

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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.