Home / 93,110.32-139,579.08-42,471.28

Finding the Fourth Proportional to 93,110.32, 139,579.08 and 42,471.28

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Solution

The fourth proportional to 93,110.32, 139,579.08 and 42,471.28 is: 63,667.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,110.32 : 139,579.08 = 42,471.28 : x
  2. Step 2: Convert to fraction form
    93,110.32/139,579.08 = 42,471.28/x
  3. Step 3: Cross multiply
    93,110.32x = 139,579.08 × 42,471.28
  4. Step 4: Simplify right side
    93,110.32x = 5,928,102,188.82
  5. Step 5: Solve for x
    x = 5,928,102,188.82/93,110.32
  6. Step 6: Final answer
    x = 63,667.51

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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.