Home / 93,154.32-139,731.12-40,557.60

Finding the Fourth Proportional to 93,154.32, 139,731.12 and 40,557.60

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Solution

The fourth proportional to 93,154.32, 139,731.12 and 40,557.60 is: 60,836.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,154.32 : 139,731.12 = 40,557.60 : x
  2. Step 2: Convert to fraction form
    93,154.32/139,731.12 = 40,557.60/x
  3. Step 3: Cross multiply
    93,154.32x = 139,731.12 × 40,557.60
  4. Step 4: Simplify right side
    93,154.32x = 5,667,158,872.51
  5. Step 5: Solve for x
    x = 5,667,158,872.51/93,154.32
  6. Step 6: Final answer
    x = 60,836.24

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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.