Home / 93,609.78-129,181.56-51,168.32

Finding the Fourth Proportional to 93,609.78, 129,181.56 and 51,168.32

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Solution

The fourth proportional to 93,609.78, 129,181.56 and 51,168.32 is: 70,612.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,609.78 : 129,181.56 = 51,168.32 : x
  2. Step 2: Convert to fraction form
    93,609.78/129,181.56 = 51,168.32/x
  3. Step 3: Cross multiply
    93,609.78x = 129,181.56 × 51,168.32
  4. Step 4: Simplify right side
    93,609.78x = 6,610,003,400.18
  5. Step 5: Solve for x
    x = 6,610,003,400.18/93,609.78
  6. Step 6: Final answer
    x = 70,612.32

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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.