Home / 93,021.12-139,531.68-27,357.12

Finding the Fourth Proportional to 93,021.12, 139,531.68 and 27,357.12

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Solution

The fourth proportional to 93,021.12, 139,531.68 and 27,357.12 is: 41,035.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,021.12 : 139,531.68 = 27,357.12 : x
  2. Step 2: Convert to fraction form
    93,021.12/139,531.68 = 27,357.12/x
  3. Step 3: Cross multiply
    93,021.12x = 139,531.68 × 27,357.12
  4. Step 4: Simplify right side
    93,021.12x = 3,817,184,913.56
  5. Step 5: Solve for x
    x = 3,817,184,913.56/93,021.12
  6. Step 6: Final answer
    x = 41,035.68

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1.5x scale

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.