Home / 93,945.15-129,645.36-53,664.30

Finding the Fourth Proportional to 93,945.15, 129,645.36 and 53,664.30

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Solution

The fourth proportional to 93,945.15, 129,645.36 and 53,664.30 is: 74,057.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,945.15 : 129,645.36 = 53,664.30 : x
  2. Step 2: Convert to fraction form
    93,945.15/129,645.36 = 53,664.30/x
  3. Step 3: Cross multiply
    93,945.15x = 129,645.36 × 53,664.30
  4. Step 4: Simplify right side
    93,945.15x = 6,957,327,492.65
  5. Step 5: Solve for x
    x = 6,957,327,492.65/93,945.15
  6. Step 6: Final answer
    x = 74,057.34

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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.