Home / 103,723.86-155,533.62-60,460.72

Finding the Fourth Proportional to 103,723.86, 155,533.62 and 60,460.72

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Solution

The fourth proportional to 103,723.86, 155,533.62 and 60,460.72 is: 90,660.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,723.86 : 155,533.62 = 60,460.72 : x
  2. Step 2: Convert to fraction form
    103,723.86/155,533.62 = 60,460.72/x
  3. Step 3: Cross multiply
    103,723.86x = 155,533.62 × 60,460.72
  4. Step 4: Simplify right side
    103,723.86x = 9,403,674,649.41
  5. Step 5: Solve for x
    x = 9,403,674,649.41/103,723.86
  6. Step 6: Final answer
    x = 90,660.67

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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.