Home / 93,509.13-139,667.01-84,610.78

Finding the Fourth Proportional to 93,509.13, 139,667.01 and 84,610.78

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Solution

The fourth proportional to 93,509.13, 139,667.01 and 84,610.78 is: 126,376.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,509.13 : 139,667.01 = 84,610.78 : x
  2. Step 2: Convert to fraction form
    93,509.13/139,667.01 = 84,610.78/x
  3. Step 3: Cross multiply
    93,509.13x = 139,667.01 × 84,610.78
  4. Step 4: Simplify right side
    93,509.13x = 11,817,334,227.88
  5. Step 5: Solve for x
    x = 11,817,334,227.88/93,509.13
  6. Step 6: Final answer
    x = 126,376.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.