Home / 101,688.04-140,327.12-58,667.66

Finding the Fourth Proportional to 101,688.04, 140,327.12 and 58,667.66

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Solution

The fourth proportional to 101,688.04, 140,327.12 and 58,667.66 is: 80,960.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,688.04 : 140,327.12 = 58,667.66 : x
  2. Step 2: Convert to fraction form
    101,688.04/140,327.12 = 58,667.66/x
  3. Step 3: Cross multiply
    101,688.04x = 140,327.12 × 58,667.66
  4. Step 4: Simplify right side
    101,688.04x = 8,232,663,764.94
  5. Step 5: Solve for x
    x = 8,232,663,764.94/101,688.04
  6. Step 6: Final answer
    x = 80,960.00

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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.