Home / 77,338.23-106,730.42-48,283.83

Finding the Fourth Proportional to 77,338.23, 106,730.42 and 48,283.83

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Solution

The fourth proportional to 77,338.23, 106,730.42 and 48,283.83 is: 66,633.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,338.23 : 106,730.42 = 48,283.83 : x
  2. Step 2: Convert to fraction form
    77,338.23/106,730.42 = 48,283.83/x
  3. Step 3: Cross multiply
    77,338.23x = 106,730.42 × 48,283.83
  4. Step 4: Simplify right side
    77,338.23x = 5,153,353,455.11
  5. Step 5: Solve for x
    x = 5,153,353,455.11/77,338.23
  6. Step 6: Final answer
    x = 66,633.97

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1.5x scale

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.