Home / 93,396.96-128,885.04-53,115.12

Finding the Fourth Proportional to 93,396.96, 128,885.04 and 53,115.12

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Solution

The fourth proportional to 93,396.96, 128,885.04 and 53,115.12 is: 73,297.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,396.96 : 128,885.04 = 53,115.12 : x
  2. Step 2: Convert to fraction form
    93,396.96/128,885.04 = 53,115.12/x
  3. Step 3: Cross multiply
    93,396.96x = 128,885.04 × 53,115.12
  4. Step 4: Simplify right side
    93,396.96x = 6,845,744,365.80
  5. Step 5: Solve for x
    x = 6,845,744,365.80/93,396.96
  6. Step 6: Final answer
    x = 73,297.29

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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.