Home / 124,553.76-186,856.80-45,670.56

Finding the Fourth Proportional to 124,553.76, 186,856.80 and 45,670.56

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Solution

The fourth proportional to 124,553.76, 186,856.80 and 45,670.56 is: 68,515.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,553.76 : 186,856.80 = 45,670.56 : x
  2. Step 2: Convert to fraction form
    124,553.76/186,856.80 = 45,670.56/x
  3. Step 3: Cross multiply
    124,553.76x = 186,856.80 × 45,670.56
  4. Step 4: Simplify right side
    124,553.76x = 8,533,854,695.81
  5. Step 5: Solve for x
    x = 8,533,854,695.81/124,553.76
  6. Step 6: Final answer
    x = 68,515.43

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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.