Home / 93,019.38-139,451.31-43,135.08

Finding the Fourth Proportional to 93,019.38, 139,451.31 and 43,135.08

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Solution

The fourth proportional to 93,019.38, 139,451.31 and 43,135.08 is: 64,666.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,019.38 : 139,451.31 = 43,135.08 : x
  2. Step 2: Convert to fraction form
    93,019.38/139,451.31 = 43,135.08/x
  3. Step 3: Cross multiply
    93,019.38x = 139,451.31 × 43,135.08
  4. Step 4: Simplify right side
    93,019.38x = 6,015,243,412.95
  5. Step 5: Solve for x
    x = 6,015,243,412.95/93,019.38
  6. Step 6: Final answer
    x = 64,666.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.