Home / 93,942.13-129,648.32-51,508.93

Finding the Fourth Proportional to 93,942.13, 129,648.32 and 51,508.93

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Solution

The fourth proportional to 93,942.13, 129,648.32 and 51,508.93 is: 71,086.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,942.13 : 129,648.32 = 51,508.93 : x
  2. Step 2: Convert to fraction form
    93,942.13/129,648.32 = 51,508.93/x
  3. Step 3: Cross multiply
    93,942.13x = 129,648.32 × 51,508.93
  4. Step 4: Simplify right side
    93,942.13x = 6,678,046,239.50
  5. Step 5: Solve for x
    x = 6,678,046,239.50/93,942.13
  6. Step 6: Final answer
    x = 71,086.81

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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.