Home / 60,321.13-90,511.14-42,665.23

Finding the Fourth Proportional to 60,321.13, 90,511.14 and 42,665.23

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Solution

The fourth proportional to 60,321.13, 90,511.14 and 42,665.23 is: 64,018.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,321.13 : 90,511.14 = 42,665.23 : x
  2. Step 2: Convert to fraction form
    60,321.13/90,511.14 = 42,665.23/x
  3. Step 3: Cross multiply
    60,321.13x = 90,511.14 × 42,665.23
  4. Step 4: Simplify right side
    60,321.13x = 3,861,678,605.66
  5. Step 5: Solve for x
    x = 3,861,678,605.66/60,321.13
  6. Step 6: Final answer
    x = 64,018.67

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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.